Definition of "burgeon" [bur•geon]

• To put forth new buds, leaves, or greenery; sprout. (verb-intransitive)
• To begin to grow or blossom. (verb-intransitive)
• To grow or develop rapidly. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The reason that the number of universes burgeon is that these parallel worlds evolve not out of human decisions but out of quantum events: out of the tendency for atoms and other particles to exist in two simultaneous states."
• "There, too, at the University, his poetical gifts commenced to "burgeon" luxuriantly."
• "I like the idea of when rock 'n' roll started to burgeon, push the envelope and speak on behalf of people who were trying to have a revolution."