exception, state-of-the-art, swell, in, happen, animated, accident, fortuity, supercool, chic, thriving, mishap, debut, space-age, abuzz, development, favorite, double feature, fashionable, novelty, sharp, bustling, large, pop, cool, popularized, faddish, trendy, curtain raiser, faddy, buzzing, flourishing, brisk, possibility, busy, display, vibrant, hazard, futuristic, contemporary, paradox, misfortune, contingency, swish, hap, humming, crowd-pleasing, du jour, lively, on, abubble, hot, rousing, snappy, vogue, draw, command performance, disaster, natural event, misadventure, red-hot, stirring, double bill, au courant, calamity, act, curiosity, hip, thing, voguish, chance, aberration, stroke, modish, spectacle, occurrent, booking, big, casualty, exclusive, hopping, up-to-the-minute, fresh, ahead of your/its etc. time, astir, affair, appearance, adventure, modern, modernistic, aboil, advanced, number, smart, kinetic
circumstance (part of speech: noun)
occurrence (part of speech: noun)
occurring (part of speech: verb)
happening (part of speech: verb)
- And no mortal who might happen to be about would know that anything unusual was happening. - "Fairies and Folk of Ireland", William Henry Frost.
- Now, this was what was happening at the same moment outside and inside the curiosity shop. - "Cousin Betty", Honore de Balzac.
- The same things have been happening everywhere! - "The Junkmakers", Albert R. Teichner.