gestate vs have a bun in the oven

gestate and have a bun in the oven both are verbs.

Word	Noun	Adjective	Verb	Adverb
gestate	No	No	Yes	No
have a bun in the oven	No	No	Yes	No

As verbs, gestate and have a bun in the oven are synonyms defined as:

Other synonyms of gestate include bear, carry, expect.

gestate (verb)	have a bun in the oven (verb)
be pregnant with	be pregnant with
have the idea for