cross-fertilize
cross-pollen
cross-pollinate
cross-pollinize
dress
enrich
fatten
fecundify
fertilize
fructify
get with child
get with young
impregnate
inseminate
manure
pollen
pollinate
pollinize
prolificate
spermatize
alter
change
modify
fecundated
fecundates
fecundating