Visualize /(?)/

Vis·u·al·ize

Visualize

v. t.
  1. To make visual, or visible.
  2. to see in the imagination; to form a mental image of.
    No one who has not seen them [glaciers] can possibly visualize them.
    — Lubbock.

Visualize

v. i.
  1. To form a mental image of something not present before the eye at the time.