ready or willing to answer, act, agree, or yield; open to influence, persuasion, or advice; agreeable; submissive; tractable

an amenable servant.

liable to be called to account; answerable; legally responsible

You are amenable for this debt.

capable of or agreeable to being tested, tried, analyzed, etc.

noun

acquiescence , amenableness , compliance , compliancy , deference , submission , submissiveness , tractability , tractableness