ideate vs envisage

ideate and envisage both are verbs.

Word	Noun	Adjective	Verb	Adverb
ideate	No	No	Yes	No
envisage	No	No	Yes	No

As verbs, ideate and envisage are synonyms defined as:

ideate and envisage: form a mental image of something that is not present or that is not the case

Other synonyms of ideate include conceive of, imagine.

ideate (verb)	envisage (verb)
form a mental image of something that is not present or that is not the case	form a mental image of something that is not present or that is not the case