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v.
have offspring or young; "The deer in our neighborhood reproduce madly"; "The Catholic Church tells people to procreate, no matter what their economic situation may be"
v.
summon into action or bring into existence, often as if by magic; "raise the specter of unemployment"; "he conjured wild birds in the air"; "call down the spirits from the mountain"
v.
reflect deeply on a subject; "I mulled over the events of the afternoon"; "philosophers have speculated on the question of God for thousands of years"; "The scientist must stop to observe and start to excogitate"