Of a person: sensible, sane; having sound judgement, wise, prudent; = rational, adj. 1b. Also: fair, equitable; not asking for too much; willing to…

Of a person, a person's soul, mind, etc. That uses, or is capable of using, the faculty of reasoning; having sound judgement; (in extended use)…

Of a person: characterized by equitable or lawful conduct; honest, just; reasonable.

Guided by sound reason; sane, rational. Of persons. Obsolete.

That acts in an intelligent or rational way. rare.

Not perverse (in various senses); not contrary; esp. following a natural or expected course.

Of a person or the mind: accessible to appeals, offers, emotions, ideas, etc.; receptive to new ideas or arguments. Also figurative. Cf. open mind, n.

Reasonable, rational.

Sensible, rational; free from delusive prejudices or fancies.