What is the meaning of foursquare?

noun

• Geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon. (
  • usage: "you can compute the area of a square if you know the length of its sides"
  • synonyms: square

adjective

• Characterized by firm and unwavering conviction.
  • usage: "a foursquare refusal to yield"

adverb

• In a square position.
  • usage: "the building stood foursquare"
• With firmness and conviction; without compromise.
  • usage: "he stood foursquare for religious liberty and toleration- C. G. Bowers; "dealt straightforwardly with all issues"
  • synonyms: squarely, straightforwardly