| verb | be behind; approve of “He plumped for the Labor Party” |
| verb | give support or one's approval to “I'll second that motion” |
| verb | guarantee as meeting a certain standard “certified grade AAA meat” |
| verb | sign as evidence of legal transfer “endorse cheques” |
| backing | noun | the act of providing approval and support |
| endorsement | noun | a promotional statement (as found on the dust jackets of books) |
| endorser | noun | someone who expresses strong approval |
| indorsement | noun | a promotional statement (as found on the dust jackets of books) |
| supportive | adjective | furnishing support or assistance |
| support | noun | aiding the cause or policy or interests of |
| supporter | noun | a person who backs a politician or a team etc. |
| second | noun | a speech seconding a motion |
| secondment | noun | a speech seconding a motion |
| seconder | noun | someone who endorses a motion or petition as a necessary preliminary to a discussion or vote |
| indorser | noun | someone who expresses strong approval |
| certifiable | adjective | capable of being guaranteed or certified |
| certification | noun | a document attesting to the truth of certain stated facts |
| certificate | noun | a document attesting to the truth of certain stated facts |