WordNet sense 1 (quieted and brought under control):

subdued

WordNet sense 2 (brought from wildness):

tamed

WordNet sense 3 (converted or adapted to domestic use):

domestic, domesticated

WordNet sense 4 (easily handled or managed):

docile, gentle

WordNet sense 5 (no longer in the natural state; developed by human care and for human use):

cultivated

WordNet sense 6 (tamed or trained to obey):

broken

WordNet sense 7 (very docile):

meek

WordNet sense 8 (not exciting):

unexciting

WordNet sense 9 (make less strong or intense; soften):

moderate, moderate, tone down

WordNet sense 10 (adapt (a wild plant or unclaimed land) to the environment):

cultivate, domesticate, naturalize, naturalise

WordNet sense 11 (overcome the wildness of; make docile and tractable):

reclaim, domesticise, domesticize

WordNet sense 12 (correct by punishment or discipline):

chasten, subdue