reasonable adj1 a : being in accordance with reason, fairness, duty, or prudence
b : of an appropriate degree or kind
c : supported or justified by fact or circumstance [a belief that force was necessary for self-defense]
d : commercially reasonable
2 : applying reason or logic
: rational [a mind]
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.