Having the faculty of reason; endued with reason; rational; as, a reasonable being.
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.
Not excessive or immoderate; within due limits; proper; as, a reasonable demand, amount, price.
Believe in yourself! Have faith in your abilities! Without a humble but reasonable confidence in your own powers you cannot be successful or happy. Norman Vincent Peale
Jealousy is both reasonable and belongs to reasonable men, while envy is base and belongs to the base, for the one makes himself get good things by jealousy, while the other does not allow his neighbour to have them through envy. Aristotle
The happiness of your life depends upon the quality of your thoughts: therefore, guard accordingly, and take care that you entertain no notions unsuitable to virtue and reasonable nature. Marcus Aurelius
We are more likely to cheat if we see others doing so. We tend to conform to accepted norms of reasonable behaviour, rather than adhere to strict rules. Evan Davis
Our constitutionally-based criminal justice system places a high value on protecting the innocent. Among its central tenets is the idea that it is better to let a guilty person go free than to convict someone without evidence beyond a reasonable doubt. Robert Shapiro