definition of
endorse

[1] #1 endorse v. [back, indorse, plump for, plunk for, support] be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960". wn

[2] #2 endorse v. [second, back, indorse] give support or one's approval to; "I'll second that motion"; "I can't back this plan"; "endorse a new project". wn

[3] #3 endorse v. [certify, indorse] guarantee as meeting a certain standard; "certified grade AAA meat". wn

[4] #4 endorse v. [indorse] sign as evidence of legal transfer; "endorse cheques". wn