Buxom

adjective

1. Pliant, obedient, tractable (to) (i.e. easily moved or bent, morally).
2. Submissive, humble, meek (as subsense of 4).
3. Gracious, indulgent, favourable; obliging, amiable, courteous, affable, kindly (as subsense of 1).
4. With infinitive: Easily moved, prone, ready (as subsense of 1).
5. Flexible, pliant (arising from sense 1).