WordNet sense 1 (take on titles, offices, duties, responsibilities):

adopt, take over, take on

WordNet sense 2 (take on as one's own the expenses or debts of another person):

accept, bear

WordNet sense 3 (seize and take control without authority and possibly with force; take as one's right or possession):

arrogate, seize, usurp

WordNet sense 4 (occupy or take on):

strike, take, take up

WordNet sense 5 (make a pretence of):

feign, sham, simulate

WordNet sense 6 (take to be the case or to be true; accept without verification or proof):

presume, take for granted

WordNet sense 7 (take on a certain form, attribute, or aspect):

acquire

WordNet sense 8 (put clothing on one's body):

don, wear, put on, get into