(of a person) controlled and not afraid, angry, excited etc

composed, calm

(of a person) practical and realistic

practical

representing living things, objects etc as they really are

realistic

(of a person) able to think and reason; (of behaviour, a discussion, idea) sensible; reasonable

realistic; of sound mind

practical and based on actual facts, not theory

sensible, matter-of-fact

mentally healthy; sensible

mentally sound; reasonable

showing, behaving with, self-control; (of parts of the world) free from extremes of heat and cold

calm, moderate