Pronunciation: (i-volv'), [key]
—v., e•volved, e•volv•ing.
1. to develop gradually: to evolve a scheme.
2. to give off or emit, as odors or vapors.
1. to come forth gradually into being; develop; undergo evolution: The whole idea evolved from a casual remark.
2. Biol.to develop by a process of evolution to a different adaptive state or condition: The human species evolved from an ancestor that was probably arboreal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.