Sentence:  If we stop <WSD>thinking</WSD> in terms of tremendous multimegaton nuclear weapons and consider employing much smaller nuclear weapons which may be more appropriate for most important military targets , it would seem that the B-52 or B-70 could carry a great many small nuclear weapons . 
Meaning of the word marked with <WSD> tags:  use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments