Synonyms:
back, endorse, indorse, plump_for, plunk_for, support
Meaning: be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960"
Synonyms:
second, back, endorse, indorse
Meaning: give support or one's approval to; "I'll second that motion"; "I can't back this plan"; "endorse a new project"
Synonyms:
certify, endorse, indorse
Meaning: guarantee as meeting a certain standard; "certified grade AAA meat"