Adjectives

(s)neat, orderlyclean or organized“her neat dress”, “a neat room”
(s)neatshowing care in execution“neat homework”, “neat handwriting”
(s)clean, neatfree from clumsiness; precisely or deftly executed“he landed a clean left on his opponent's cheek”, “a clean throw”, “the neat exactness of the surgeon's knife”
(s)facile, neat, slicksuperficially impressive, but lacking depth and attention to the true complexities of a subject“too facile a solution for so complex a problem”, “it was a neat plan, but bound to fail”, “a slick advertising campaign”
(s)bang-up, bully, corking, cracking, dandy, great, groovy, keen, neat, nifty, not bad, peachy, slap-up, swell, smashing, oldexcellent“he did a bully job”, “a neat sports car”, “had a great time at the party”, “you look simply smashing”, “we had a grand old time”
(s)neat, straight, full-strength(of an alcoholic drink) without water“took his whiskey neat”