Conforming to the rules of grammar or usage accepted by native speakers.

synonym: grammatical.

Roget 845: beautiful, beauteous; handsome; gorgeous; pretty; lovely, graceful, elegant, prepossessing; attractive etc. (inviting) 615; delicate, dainty, refined; fair, personable, comely, seemly; bonny [Scot.]; good-looking; well-favored, well-made, well-formed, well-proportioned; proper, shapely; symmetrical etc. (regular) 242; harmonious etc. (color) 428; sightly.    fit to be seen, passable, not amiss.    goodly, dapper, tight, jimp^†; gimp; janty^†, jaunty; trig, natty, quaint, trim, tidy, neat, spruce, smart, tricksy^†.    bright, bright eyed; rosy cheeked, cherry cheeked; rosy, ruddy; blooming, in full bloom.    brilliant, shining; beamy^†, beaming; sparkling, splendid, resplendent, dazzling, glowing; glossy, sleek.    rich, superb, magnificent, grand, fine, sublime, showy, specious.    artistic, artistical^†; aesthetic; picturesque, pictorial; fait a peindre [Fr.]; well-composed, well grouped, well varied; curious.    enchanting etc. (pleasure-giving) 829; becoming etc. (accordant) 23; ornamental etc. 847.    undeformed, undefaced, unspotted; spotless etc. (perfect) 650.    ... show more