2. hinge, determiner, determinant, crux, decisive factor; foundation, base, basis, underpinning, undergird-ing, supports.
3. (all usu. of nations) alliance, coalition, compact, entente; league, confederation, union, combination.
aye, adv. 1. yes, yea; pro, for, in favor.
-n. 2. yes vote, vote for, favorable vote, yea.
3. advocate, supporter, backer, proponent, pro, yea-sayer.
azure, adj. 1. sky-blue, cerulean, deep-blue, cobalt blue, ultramarine, lapis lazuli, blue, purplish blue.
-n. 2. sky, empyrean, firmament, vault of heaven, Chiefly Literary, welkin, azure deeps, heaven, the heavens.