n. Mutual liking and regard between persons, irreepective of sex; mutual interest based on intimate acquaintance and esteem; the feeling that moves persons to seek each other's society or to promote each other's welfare.n. Desire for intercourse with or the welfare of another or others; personal favor or good will; amicable feeling or regard.n. Congenial union of one with another or others; an individual relation of friendliness: as, to contract a friendship with a person: often in the plural.n. An act of kindness or friendliness; friendly aid; help; relief.n. Conformity; affinity; correspondence.n. Synonyms Amity, fellowship, companionship, alliance.