WordWeb Online

1. The state of having good sense and sound judgment
   - rationality, reason
    
2. Goodness of reason and judgment
   "the judiciary is built on the reasonableness of judges"
    
3. The property of being moderate in price or expenditures
   "the store is famous for the reasonableness of its prices";
   - moderateness, modestness
    
4. Moderation in expectations
   "without greater reasonableness by both parties we will never settle this matter!"
    
5. The quality of being plausible or acceptable to a reasonable person
   "he questioned the reasonableness of my claims";
   - tenability, tenableness

See also: reasonable, sensible, unreasonable

Type of: inexpensiveness, level-headedness, moderateness, moderation, plausibility, plausibleness, saneness, sanity, soundness, wisdom, wiseness

Encyclopedia: Reasonableness