The Collaborative International Dictionary of English v.0.48:

Procreate \Pro"cre*ate\, v. t. [imp. & p. p. Procreated; p.
   pr. & vb. n. Procreating.] [L. procreatus, p. p. of
   procreare; pro forward, forth + create to create.]
   To generate and produce; to beget; to engender.
   [1913 Webster]

WordNet (r) 3.0 (2006):

procreate
    v 1: have offspring or produce more individuals of a given
         animal or plant; "The Bible tells people to procreate"
         [syn: reproduce, procreate, multiply]

Moby Thesaurus II by Grady Ward, 1.0:

87 Moby Thesaurus words for "procreate":
   bear, beget, birth, blossom, breed, breed true, brew, bring forth,
   bring into being, bring to birth, burgeon, call into being, coin,
   conceive, concoct, contrive, cook up, copulate, create, crossbreed,
   design, develop, devise, discover, dream up, engender, evolve,
   fabricate, father, flourish, frame, gather, generate, germinate,
   get, give being to, give birth to, give rise to, grow, grow up,
   hatch, hypertrophy, improvise, inbreed, increase, invent, make,
   make do with, make love, make up, mature, mint, mother, multiply,
   mushroom, originate, outbreed, outgrow, overdevelop, overgrow,
   overtop, parent, plan, produce, progenerate, proliferate,
   propagate, pullulate, reproduce, reproduce in kind, shoot up, sire,
   spawn, spring up, sprout, sprout up, strike out, think out,
   think up, thrive, tower, upshoot, upspear, upspring, upsprout,
   vegetate, wax