occasion

1 a particular point at which an event takes place on that occasion, I didn't actually meet your father Synonyms moment, time Related Words flash, instant, jiffy, minute, second, shake, split second, trice, twinkle, wink; bit, space, spell, stretch, while

2 a favorable combination of circumstances, time, and place the substitute violinist rose to the occasion and performed the piece beautifully Synonyms break, chance, opportunity, opening, room, shotRelated Words play, way; juncture, pass

3 someone or something responsible for a result the missing money proved to be the occasion of much strife between the two brothers Synonyms antecedent, causality, causation, cause, reasonRelated Words consideration, determinant, factor; alpha and omega, be-all and end-all; impetus, incentive, inspiration, instigation, stimulus; mother, origin, root, source, springNear Antonyms ramification; denouement (also dénouement), repercussion; conclusion, end; by-product, side effect (also side reaction)Antonyms aftereffect, aftermath, consequence, corollary, development, effect, fate, fruit, issue, outcome, outgrowth, product, result, resultant, sequel, sequence, upshot

4 something that happens weddings are generally happy occasions Synonyms affair, circumstance, episode, hap, happening, incident, event, occurrence, thingRelated Words coincidence, co-occurrence, fluke, freak; landmark, milepost, milestone, page, phenomenon, turning point; adventure, experience, time; happenchance, happenstance; accident, crisis, emergency, juncture; achievement, deed, exploit, feat; news, tidings

to be the cause of (a situation, action, or state of mind) the announcement concerning the change in scheduling occasioned much confusion Synonyms beget, breed, bring, bring about, bring on, catalyze, cause, create, do, draw on, effectuate, engender, generate, induce, invoke, make, effect, produce, prompt, result (in), spawn, translate (into), work, yieldRelated Words conduce (to), contribute (to); decide, determine; begin, establish, father, found, inaugurate, initiate, innovate, institute, introduce, launch, pioneer, set, set up, start; advance, cultivate, develop, encourage, forward, foster, further, nourish, nurture, promote; enact, render, turn outNear Antonyms impede, limit, restrict; clamp down (on), crack down (on), crush, dampen, put down, quash, quell, repress, smother, squash, squelch, stifle, subdue, suppress; arrest, check, control, curb, inhibit, rein (in), restrain, retard; can [slang], kill, snuff (out), still; abolish, demolish, destroy, extinguish, liquidate, quench