From WordNet (r) 2.0 (August 2003) [wn]:
gestate
v 1: have the idea for; "He conceived of a robot that would help
paralyzed patients"; "This library was well conceived"
[syn: conceive, conceptualize, conceptualise]
2: be pregnant with; "She is bearing his child"; "The are
expecting another child in January"; "I am carrying his
child" [syn: have a bun in the oven, bear, carry,
expect]