Synonyms for Square include:
aboveboard, alimental, alimentary, angled, angular, angulate, artless, asteroid, bicuspid, bicuspidate, bluff, blunt, button-down, buttoned-down, candid, cashed, compensable, compensated, conservative, conventional, cuspate, cuspated, cusped, cuspidal, cuspidate, cuspidated, direct, downright, echt, equiangular, flat-footed, forthright, frank, free-spoken, freelance, genuine, good for you, guileless, healthful, healthy, heart-healthy, hearty, honest, honorable, honourable, ingenuous, isogonic, law-abiding, lawful, legal, man-to-man, mercenary, no-nonsense, nourishing, nutrient, nutritious, nutritive, observant, organic, outspoken, paid, paid-up, paying, plain, plainspoken, point-blank, pointed, post-free, postpaid, prepaid, quadrate, rectangular, remunerated, remunerative, reply-paid, right-angled, salaried, salubrious, satisfying, sharp-angled, sharp-cornered, sincere, solid, sound, square, square-shaped, squared, squarish, star-shaped, stereotyped, stereotypic, stereotypical, stipendiary, straight, straight-from-the-shoulder, straightarrow, straightforward, substantial, three-cornered, transparent, triangular, tricuspid, tricuspidate, true, trustworthy, trusty, unicuspid, unimaginative, unvarnished, upfront, white-bread, wholesome
square is a ADJ.
square, squarely
square is a ADV.
foursquare, lame, public square, second power, square, square toes
square is a NOUN.
feather, square, square up
square is a VERB.