razonar
/raθoˈnaɾ/ · A2 · verb
to explain, justify
🧠 razón (reason) + -ar = to reason; from Latin ratio, like English rational
Razonar is the noun razón turned into a verb with the -ar ending. Razón comes from Latin ratio (reckoning), the same root as English reason, rational and ratio. Spanish z matches the s in English reason: razonar = to reason.