adulterate, v. sophisticate.
adulterated, a. [adulterate], [impure], sophisticated.
adulteration, n. sophistication.
adultery, n. infidelity, criminal [conversation].
advance, n. [progress], progression, march, [advancement], [promotion], preferment, [elevation], [appreciation], enhancement; [overture], [tender], proposal, proffer, [offer]. Antonyms: [retreat], [retrogression], [decline], retrogradation, [deterioration].
advance, v. [progress], [increase]; [promote], [elevate]; enhance, augment. Antonyms: [retreat], [retrograde], [decline], [deteriorate].
advance guard. vanguard, van.
advancement, n. [progress], progression; [promotion], preferment, [exaltation], [aggrandizement], furtherance.
advantage, n. vantage-ground; [superiority], [mastery], ascendency; [benefit], avail, [profit]. Antonym: [disadvantage].
adventurous, a. adventuresome, temerarious, venturous.