squarely, foursquare, straightforwardly - with firmness and conviction; without compromise; "he stood foursquare for religious liberty and toleration"- C.G.Bowers; "dealt straightforwardly with all issues"
Nounfoursquare has 1 sense
square, foursquare - (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" --1is a kind ofrectangle; regular polygon --1has particulars: quadrate