#1 visualise v. [visualize] view the outline of by means of an X-ray; "The radiologist can visualize the cancerous liver". wn
#2 visualise v. [visualize] form a mental picture of something that is invisible or abstract; "Mathematicians often visualize". wn
#3 visualise v. [visualize, envision, project, fancy, see, figure, picture, image] imagine; conceive of; see in one's mind; "I can't see him on horseback!"; "I can see what will happen"; "I can see a risk in this strategy". wn
#4 visualise v. [visualize] make visible; "With this machine, ultrasound can be visualized". wn
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