realize, see, understand, realise - perceive (an idea or situation) mentally; "Now I see!"; "I just can't see your point"; "Does she realize how important this decision is?"; "I don't understand the idea"

visualise, visualize - for a mental picture of something that is invisible or abstract; "Mathematicians often visualize"

conceive of, envisage, ideate, imagine - form a mental image of something that is not present or that is not the case; "Can you conceive of him as the president?"

conceive of, envisage, ideate, imagine - form a mental image of something that is not present or that is not the case; "Can you conceive of him as the president?"