blossom

(noun) reproductive organ of angiosperm plants especially one having showy or colorful parts. Synonyms: flower, bloom.

(noun) the period of greatest prosperity or productivity. Synonyms: flower, prime, peak, heyday, bloom, efflorescence, flush.

(verb) produce or yield flowers. Synonyms: bloom, flower. Example: "The cherry tree bloomed."

(verb) develop or come to a promising stage. Synonyms: blossom out, blossom forth, unfold. Example: "Youth blossomed into maturity."