| noun | a person you know well and regard with affection and trust “he was my best friend at the university” |
| noun | an associate who provides cooperation or assistance “he's a good ally in fight” |
| noun | a person with whom you are acquainted “I have trouble remembering the names of all my acquaintances” |
| noun | a person who backs a politician or a team etc. “all their supporters came out for the game” |
| noun | a member of the Religious Society of Friends founded by George Fox (the Friends have never called themselves Quakers) |
| friendly | adjective | characteristic of or befitting a friend |
| friendship | noun | the state of being friends (or friendly) |
| ally | verb | become an ally or associate, as by a treaty or marriage |
| acquaintanceship | noun | a relationship less intimate than friendship |
| support | verb | be behind; approve of |
| champion | verb | protect or fight for as a champion |
| admire | verb | feel admiration for |
| boost | verb | contribute to the progress or growth of |