blossom

1 a state or time of great activity, thriving, or achievement in the full blossom of her career as a writer Synonyms bloom, florescence, floruit, flower, flush, heyday, high noon, prime, salad days, springtimeRelated Words autumn, Indian summer; blooming, blossoming, efflorescence, flowering; acme, apex, climax, meridian, peak, pinnacle, summit, zenith; glory, grandeur, splendor; belle epoque (or belle époque), golden age, silver age; comeback, recovery, revivialNear Antonyms decay, decline, downfall; bottom, nadir; shriveling (or shrivelling), wilting, withering

2 the usually showy plant part that produces seeds the marigolds are finally showing blossoms Synonyms bloom, flowerRelated Words bud, floret, floweret (also flowerette); bouquet, nosegay, posy; arrangement, boutonniere, corsage, garland, lei, spray, wreath