Meaning

• Having the faculty of reason; rational, reasoning.

• Just; fair; agreeable to reason.

• Not excessive or immoderate; within due limits; proper.

  "a reasonable demand, amount, or price"

• Not expensive; fairly priced.

  "$20 a bottle is very reasonable for a good wine at a restaurant."

• Satisfactory.

  "The builders did a reasonable job, given the short notice."