Sentence:  I told him about everything I could <WSD>think of</WSD>; and what I couldn't <WSD>think of</WSD> 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. 
Meaning of the word marked with <WSD> tags:  To create in one's mind; to originate an idea through thought.