- fanciful, imaginary, imagined, notional - not based on fact; dubious; "the falsehood about some fanciful secret treaties"- F.D.Roosevelt; "a small child's imaginary friends"; "her imagined fame"; "to create a notional world for oneself"
 Antonyms: real, existent (indirect, via unreal)
 
- imagine, conceive of, ideate, envisage - form a mental image of something that is not present or that is not the case; "Can you conceive of him as the president?"
 --1 is one way to create by mental act, create mentally
 
 Sample sentences:Derived forms: noun imagination2, noun imagination1 
 Somebody ----s something
 Somebody ----s that CLAUSE
 
- think, opine, suppose, imagine, reckon, guess - expect, believe, or suppose; "I imagine she earned a lot of money with her new novel"; "I thought to find her in a bad state"; "he didn't think to find her in the kitchen"; "I guess she is angry at me for standing her up"
 --2 is one way to expect, anticipate
 Sample sentence:
 They imagine that there was a traffic accident