common-sense

Noun

common sense (uncountable)

1. Ordinary sensible understanding; one's basic intelligence which allows for plain understanding and without which good decisions or judgments cannot be made.
   • To act with common sense, according to the moment, is the best wisdom I know; and the best philosophy, to do one's duties, take the world as it comes, submit respectfully to one's lot, bless the goodness that has given us so much happiness with it, whatever it is, and despise affectation.1776, Horace Walpole, Letter to Sir Horace Mann

   Synonyms:

   cop on, good sense, horse sense, mother wit, native wit

2. One of the four interior senses; the one by which information from the five exterior senses is understood and interpreted.
   • This common ſenſe is the Iudge or Moderator of the reſt, by whom we diſcerne all differences of obiects; for by mine eye I doe not knowe that I ſee, or by mine eare that I heare, but by my common ſenſe, […]1621, Democritus Junior [pseudonym; Robert Burton], “Of the Inward Senses”, in The Anatomy of Melancholy, […], Oxford, Oxfordshire: […] John Lichfield and Iames Short, for Henry Cripps, →OCLC...