S: (v) reason, reason out, conclude (decide by reasoning; draw or come to a conclusion) "We reasoned that it was cheaper to rent than to buy a house"
S: (v) think, cogitate, cerebrate (use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments) "I've been thinking all day and getting nowhere"
S: (v) popularize, popularise, vulgarize, vulgarise, generalize, generalise (cater to popular taste to make popular and present to the general public; bring into general or common use) "They popularized coffee in Washington State"; "Relativity Theory was vulgarized by these authors"