What does "reasonable" mean?

Reasonable: 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. Bp. Wilkins. Men have no right to what is not reasonable. Burke.

Additional senses

  1. 2.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. Shak. See Rational.
  2. 3.Reasonable; tolerably. [Obs.] I have a reasonable good ear in music. Shak.

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