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

See also: reasonable, sensible, unreasonable

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

Encyclopedia: Reasonableness