reason [-s] n

OFr < L. ratiōn-em, reckoning, account, relation, understanding, motive, cause < rēri, think, reckon.

  1. Logic; rational thinking; mental construct.
  2. Answer; motive; grounds; determining factor; cause of action.

reason [-s] v

see reason, n.

  1. Think; ponder; muse; consider; contemplate; philosophize; pose a question; present an issue to be discussed logically.
  2. Contend; debate; argue; discuss by presenting logical arguments; attempt to find an answer through rational thinking.