|a chattering or flighty, light-headed person.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|1.||showing reason or sound judgment|
|2.||having the ability to reason|
|3.||having modest or moderate expectations; not making unfair demands|
|4.||moderate in price; not expensive|
|5.||fair; average: reasonable weather|
"What the majority of people consider to be 'reasonable' is that about which there is agreement, if not among all, at least among a substantial number of people; 'reasonable' for most people, has nothing to do with reason, but with consensus." [Erich Fromm]Meaning "moderate in price" is recorded from 1667.