Reason

Razão:

It is the way in which we try to make sense of the world using logic, rationality, comparison, judgement, and experience.

 * 1 a cause, explanation, or justification.
 * 2 good or obvious cause to do something: we have reason to celebrate.
 * 3 the power of the mind to think, understand, and form judgements logically.
 * 4 (one’s reason) one’s sanity.
 * 5 what is right, practical, or possible: I’ll answer anything, within reason. 
 * 6.think, understand, and form judgements logically.
 * 7 (reason out) find a solution (to a problem) by considering possible options.
 * 8 (reason with) persuade with rational argument. — PHRASES by reason of formal because of. listen to reason be persuaded to act sensibly. it stands to reason it is obvious or logical.,