answer - respond, reply, retort, rejoinder, acknowledge, talk / write back, sass, riposte

amazing - splendid, fantastic, fabulous, wonderful, extraordinary, astonishing, astounding, phenomenal, breathtaking, overwhelming, marvelous, remarkable, spectacular,
startling, staggering, improbable, incredible, un-believable / -foreseen, / -thinkable, / -imaginable / -anticipated / -expected / -predicted

ask - question, inquire, demand, request, query, interrogate, examine, quiz,
propose to, suggest to / beg, beseech, entreat, pray, plead (pled), petition

begin - launch, start, open, initiate, activate, inaugurate, originate, commence, get underway, set in motion, embark on, kick off

big - enormous, stupendous, gargantuan, huge, large, immense, gigantic, vast, great, colossal, sizable, grand, great, substantial, mammoth, astronomical, ample, broad, expansive, tremendous, titanic, mountainous

certain - sure, positive, confident, safe bet, determined, definite, clear, distinct, obvious, inescapable, inevitable, unavoidable

certainly - absolutely, assuredly, undoubtedly, definitely, by all means; of course, right on, surely, without fail

complete - closed, ended, finished, concluded, terminated, done, accomplished, fulfilled,
whole, comprehensive, total, unabridged, uncut, wide / far-ranging, broad, ample, widespread, thorough, all-embracing, all-inclusive, overall, extensive, full,

decide - determine, settle, conclude, resolve, decree, rule
make your mind up, settle on, agree, adopt, elect, go for, select, plump, pick, take, opt

describe - narrate, recite, characterize, represent, recount, rehearse, relate, report, record, laid out

difference - dissimilarity, unlikeness, incompatibility, divergence, variation, disagreement, inequity, contrast, distinction, discrepancy

do - perform, execute, accomplish, achieve, enact, carry out, attain, effect, fulfill, discharge

end - stop, finish, terminate, conclude, close, cease, desist, discontinue, halt, quit

exact - accurate, definite, correct, precise, strict, spot-on, literal,
appropriate, suitable, acceptable, proper, approved, accepted, standard, thorough
careful, meticulous, particular, rigorous, faithful, true, truthful, just, right, specific

explain - elucidate, expound, explicate, elaborate, clarify, illustrate, by comparison, justify, account for, interpret, construe

feel - sense, experience, perceive / touch, taste, contact, palpate, caress
- calculate, conjecture, fancy, guess, hypothesize, imagine, infer, intuit, presume, presuppose, reason, reckon, speculate, surmise, suspect, theorize, think

get - acquire, obtain, secure, gain, regain, procure, derive, fetch, accumulate, collect, gather

great - noteworthy, distinguished, marvelous, excellent, fine, superior, qualified, suited, remarkable, grand, considerable, powerful, mighty
sublime, preponderant, supreme, predominant, paramount, preeminent, noted, celebrated, famed, famous, illustrious, notable, renowned

idea - thought, notion, understanding, opinion, concept, conception, plan, view, belief

important - indispensable, vital, critical, essential, necessary, needful, requisite, valuable, significant, primary, principal, considerable

interesting - absorbing, appealing, animated, attractive, bright, challenging, curious, captivating, engaging, exciting, enchanting, entertaining, fascinating, intelligent, spirited, inviting, intriguing, involving, inspiring, keen, provocative, though-provoking, moving, tantalizing, piquant, lively, spicy, sharp, consuming, arresting, enthralling, spellbinding

keep - retain, withhold, reserve, preserve, maintain, sustain, support, hold

little - small, diminutive, little, miniature, puny, exiguous, dinky, slight, limited, itsy-bitsy, microscopic, minuscule, minute, petite, tiny, wee

look - behold, see, glance, glimpse, sight, watch, note, notice, espy, descry, view, perceive, discern, remarked
gaze, stare, gape, glare, peer, peek, peep, ogle
seek, search for, examine, scrutinize, inspect, discover, recognize, eye, gawk, peruse, explore, study, observe, witness, contemplate, survey

make - found, create, establish, institute, organize, originate, invent, form, construct, design, fabricate, manufacture, produce, build, develop, compose

really - absolutely, actually, admittedly, as a matter of fact, assuredly, authentically, beyond doubt, categorically, certainly, de facto, easily, for real, genuinely, honestly, indeed, indubitably, in effect, in fact, legitimately, literally, no ifs ands or buts, nothing else but, of course, positively, precisely, surely, truly, undoubtedly, unmistakably, unquestionably, verily, well

say - allege, assert, avow, claim, contend, declare, maintain, profess / articulate, enounce, enunciate, mouth, pronounce, speak, sound, utter, vocalize, verbalize, voice

tell - chronicle, communicate, characterize, delineate, describe, divulge, enumerate, impart, narrate, present, quote, recap, recapitulate, recite, relate, report, retell, reveal, review, spin
- acquaint, advise, apprise, clue, edify, familiarize, forewarn, inform, fill in, notify, post, tip off, warn, wise up

walk - promenade, pace, tiptoe, amble, saunter, toddle, stride, hike, jaunt, lope, march, gait, proceed, go forward, strike for home, head somewhere, tour, trek,
wander, ramble, roam, rove, range, meander, stray, perambulate, stroll, gallivant, gad