Think Of Meaning

Example: To create in one's mind; to originate an idea through thought.
  I only had ten minutes to think of a solution.
1913, Joseph C. Lincoln, chapter 4, Mr. Pratt's Patients:
  I told him about everything I could think of; and what I couldn't think of he did. He asked about six questions during my yarn, but every question had a point to it. At the end he bowed and thanked me once more. As a thanker he was main-truck high; I never see anybody so polite.
Used other than as an idiom: see think,‎ of. (to think on the subject of)
  I spent ten minutes thinking of Karen and the times we shared.