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basis, base, groundwork, foundation, cornerstone, fundament | the fundamental assumptions from which something is begun or developed or calculated or explained | ||
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seat, ass, bottom, tail, buttocks, rear end, behind, hindquarters, rump, butt, can, fundament, rear, stern, posterior, fanny, arse, nates, backside, bum, buns, hind end, keister, prat, tail end, tooshie, tush, derriere, booty | the fleshy part of the human body that you sit on | ||
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base, foot, foundation, groundwork, fundament, substructure, understructure | lowest support of a structure |