Synonyms for Beget:

n.

conception, fertilise, fertilize, fertilization, artificial insemination, assisted reproduction, conceive. invent, kin, trigger, start-off, form, set off, inaugurate. create, parent, hatch, originate. beget (noun)
father, generate, mother, get, bring forth, sire, engender.

v.

body (verb)
father, generate, mother, get, bring forth, sire, engender.
create, bear (verb)
father, generate, get, engender, propagate, sire, breed, procreate.
procreate (verb)
engender, procreate, propagate, generate, breed.

Other synonyms:

fertilization, assisted reproduction, artificial insemination. create, fertilize, conceive. conception, hatch. originate. parent. father
trigger.
produce
set off.
reproduce
procreate.