1. rational, logical; intelligent, wise; plausible, likely, credible. reasonable\rea"son*a*ble\ , a. [oe. resonable, f. raisonnable, fr. l. rationabilis. see:
reason, n.].
2. having the faculty of reason; endued with reason; rational; as, a reasonable being.
3. governed by reason; being under influence of reason; thinking, speaking or acting rationally, or according to the dictates of reason; agreeable to reason; just; rational; as, the measure must satisfy all reasonable men. by indubitable certainty, i mean that which doth not admit of any reasonable cause of doubting. wilkins. men have no right to what is not reasonable.
4. not excessive or immoderate; within due limits; proper; as, a reasonable demand, amount, price. let all things be thought upon that may, with reasonable swiftness, add more feathers to you wings.
5. Having the faculty of reason; endued with reason; rational; as, a reasonable being.
6. Governed by reason; being under the influence of reason; thinking, speaking, or acting rationally, or according to the dictates of reason; agreeable to reason; just; rational; as, the measure must satisfy all reasonable men.
7. Not excessive or immoderate; within due limits; proper; as, a reasonable demand, amount, price.
8. Reasonably; tolerably. marked by sound judgment; "sane nuclear policy" showing reason or sound judgment; "a sensible choice"; "a sensible person".
9. 1. If you think that someone is fair and sensible you can say that they are reasonable. He's a reasonable sort of chap Oh, come on, be reasonable. ¡Ù unreasonable + reasonably rea·son·ably `I'm sorry, Andrew,' she said reasonably. + reasonableness rea·son·able·ness `I can understand how you feel,' Desmond said with great reasonableness.
10. If you say that a decision or action is reasonable, you mean that it is fair and sensible. a perfectly reasonable decision At the time, what he'd done had seemed reasonable.
11. If you say that an expectation or explanation is reasonable, you mean that there are good reasons why it may be correct. It seems reasonable to expect rapid urban growth. + reasonably rea·son·ably You can reasonably expect your goods to arrive within six to eight weeks.
12. If you say that the price of something is reasonable, you mean that it is fair and not too high. You get an interesting meal for a reasonable price + reasonably rea·son·ably reasonably priced accommodation.
13. You can use reasonable to describe something that is fairly good, but not very good. The boy answered him in reasonable French + reasonably rea·son·ably I can dance reasonably well.
14. A reasonable amount of something is a fairly large amount of it. They will need a reasonable amount of desk area and good light. + reasonably rea·son·ably From now on events moved reasonably quickly.