Synonyms and related words :
John Hancock, OK, Roman candle, abide by, accede, accede to, accept, acceptance, acclaim, accord to, accost, acquiesce, acquiesce in, address, adherence, admiration, affirmance, affirmation, affirmative, affirmative attitude, affirmativeness, agree, agree to, agree with, aid to navigation, alarm, amber light, amen, applaud, approbation, approval, approve, approve of, assent, authentication, authorization, aye, bag, balefire, be caught napping, be neglectful, be negligent, be willing, beacon, beacon fire, beat the drum, beck, beck and call, bell, bell buoy, bend, bend the knee, bend the neck, bending the knee, bid good day, bid good morning, bidding, blessing, blinker, blue peter, bob, bob a curtsy, bob down, bow, bow and scrape, bow down, bow the head, bow to, bowing and scraping, broad hint, buoy, buy, call, calling, calling forth, cascade, catalepsy, caution light, certification, cheer, clue, coma, comply, condescend, confirmation, connive at, consent, consent to silently, convocation, countenance, countersignature, crouch, cue, curtsy, daggle, dangle, default, deign, depend, dip, dipping the colors, disregard, dope off, doze off, drabble, drag, draggle, drape, droop, drop asleep, drop off, drowse off, duck, embrace, encephalitis lethargica, endorse, endorsement, esteem, evocation, exchange colors, fail, fall, fall asleep, fall down before, favor, favorable vote, flag, flag down, flap, flare, flash, flop, flow, fog bell, fog signal, fog whistle, foghorn, gentle hint, genuflect, genuflection, gesture, give a signal, give consent, give the nod, glance, glimmer, glimmering, gloss over, go along with, go light, go to sleep, go-ahead, gong buoy, grant, green light, greet, greeting, hail, hail and speak, half-mast, hand-clasp, handshake, hang, hang down, have no objection, heliograph, hello, high, high sign, hint, hoist a banner, hold with, homage, how-do-you-do, hug, ignore, implication, imprimatur, in toto, inclination, indent, index, indication, inkling, innuendo, insinuation, international alphabet flag, international numeral pennant, intimation, invocation, kick, kiss, kiss hands, kneel, kneeling, kowtow, lapse, leer, let go, let ride, let slide, let slip, lethargy, lift the hat, look, lop, lose sight of, lose track of, make a leg, make a sign, make obeisance, making a leg, marker beacon, narcohypnosis, narcolepsy, narcoma, narcosis, narcotic stupor, narcotization, neglect, nod, nod assent, nod of assent, nod off, nod to, not care for, not get involved, not heed, not refuse, not think, notarization, nudge, obeisance, obsequiousness, okay, overlook, parachute flare, pass over, pend, permission, permit, pilot flag, poke, police whistle, preconization, presenting arms, prompt, prostration, pull the forelock, quarantine flag, radio beacon, raise a cry, ratification, ratify, receive, red flag, red light, requisition, respect, reverence, rocket, rubber stamp, sag, sailing aid, salaam, salutation, salute, sanction, say aye, say hello, say yes, scent, scrape, seal, seal of approval, sedation, semaphore, semaphore flag, semaphore telegraph, servility, settle to sleep, shake, shake hands, shock, sigil, sign, signal, signal beacon, signal bell, signal fire, signal flag, signal gong, signal gun, signal lamp, signal light, signal mast, signal post, signal rocket, signal shot, signal siren, signal tower, signalize, signature, signet, sleep, sleeping sickness, smile, smile of recognition, sopor, sound an alarm, sound the trumpet, spar buoy, speak, spoor, squat, stamp, stamp of approval, standing at attention, stoop, stop light, stupor, submission, submissiveness, subscribe to, subscription, suggestion, summons, supination, suspicion, swag, swing, swoon, symptom, take for granted, take kindly to, telltale, thanatosis, the nod, the wink, thumbs-up, touch, touch the hat, track, traffic light, traffic signal, trail, trance, uncover, unfurl a flag, validation, visa, vise, voice, vote, vote affirmatively, vote aye, vote for, warrant, watch fire, wave, wave a flag, wave the hand, weep, welcome, whisper, white flag, wigwag, wigwag flag, wink, wink at, yea, yea vote, yea-saying, yellow flag, yes, yield assent