Pronunciation: (rē'zu-nu-bul, rēz'nu-),[key] —adj. 1. agreeable to reason or sound judgment; logical: a reasonable choice for chairman. 2. not exceeding the limit prescribed by reason; not excessive: reasonable terms. 3. moderate, esp. in price; not expensive: The coat was reasonable but not cheap. 4. endowed with reason.
5. capable of rational behavior, decision, etc.