imagine

Synonyms: brainstorm build castles in air conceptualize conjure up cook up create depict devise envisage envision fabricate fancy fantasize fantasy feature figure form frame harbor image invent make up nurture perceive picture plan project realize scheme see in one’s mind spark think of think up vision visualize

Synonyms: apprehend believe conjecture deem expect fancy gather guess infer presume realize reckon suppose surmise suspect take for granted take it think understand

Antonyms: know