1. Having the faculty of reason; endued with reason; rational; as, a reasonable being.
2. 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.
"By indubitable certainty, I mean that which doth not admit of any reasonable cause of doubting." -- Bp. Wilkins.
"Men have no right to what is not reasonable." -- Burke.
3. 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 our wings." -- Shak.
Syn. -- Rational; just; honest; equitable; fair; suitable; moderate; tolerable. See Rational.