WordNet sense 1 (easily handled or managed):

docile

WordNet sense 2 (brought from wildness into a domesticated state):

tame

WordNet sense 3 (give a title to someone; make someone a member of the nobility):

ennoble, entitle

WordNet sense 4 (cause to be more favorably inclined; gain the good will of):

appease, assuage, conciliate, mollify, pacify, placate, gruntle, lenify

WordNet sense 5 (belonging to or characteristic of the nobility or aristocracy):

aristocratic, blue, blue-blooded, patrician, aristocratical

WordNet sense 6 (of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times):

noble

WordNet sense 7 (moderate in type or degree or effect or force; far from extreme):

mild

WordNet sense 8 ((of sound) relatively low in volume):

soft

WordNet sense 9 (having or showing a tender and considerate and helpful nature; used especially of persons and their behavior):

kind

WordNet sense 10 (having little impact):

easy

WordNet sense 11 (of little intensity or power or force):

light

WordNet sense 12 ((of a topographical gradient) not steep or abrupt):

gradual