base, a. debased, [impure], [spurious], alloyed, [counterfeit]; [low-minded], [unworthy], [ignoble], [mean], [servile], [groveling]; [despicable], discreditable, [disgraceful], [venal]; plebeian, [obscure], untitled, [unhonored].
base, n. [basis], [bottom], [foundation], [groundwork]; pedestal; plinth.
baseboard, n. [mopboard], scrubboard.
baseborn, a. plebeian.
baseless, a. [unfounded], [groundless].
basement, n. [cellar]. Associated word: area.
bashful, a. over-modest, [diffident], [coy], [shamefaced], [sheepish], [retiring].
bashfulness, n. [modesty], [diffidence], [shyness], over-modesty.
basis, n. [foundation].
bask, v. [luxuriate], [revel].