foursquare

nouns

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

adjectives

characterized by firm and unwavering conviction
"a foursquare refusal to yield"
is similar to
firm in purpose or belief; characterized by firmness and determination
"stood resolute against the enemy"; "faced with a resolute opposition"; "a resolute and unshakeable faith"

adverbs

in a square position
"the building stood foursquare"
with firmness and conviction; without compromise
"he stood foursquare for religious liberty and toleration"- C.G.Bowers; "dealt straightforwardly with all issues"