Burgeon - {verb}
1. To grow or develop quickly; flourish: The town burgeoned into a city. He burgeoned into a fine actor.
2. To begin to grow, as a bud; put forth buds, shoots, etc., as a plant (often followed by out, forth ).
Synonyms
1. bloom, blossom, mushroom, expand.
Example Sentence:
"Online reference resources burgeon as traditional reference publishers slowly die in a digital world"