Mutual

1. (a.) Reciprocally acting or related; reciprocally receiving and giving; reciprocally given and received; reciprocal; interchanged; as, a mutual love, advantage, assistance, aversion, etc.

2. (a.) Possessed, experienced, or done by two or more persons or things at the same time; common; joint; as, mutual happiness; a mutual effort.

Thesaurus Entries

accessory, accompanying, associated, attendant, attending, changeable, coacting, coactive, coadjutant, coadjuvant, coefficient, coincident, collaborative, collateral, collective, collectivist, collectivistic, collusive, combined, commensal, common, communal, communalist, communalistic, communist, communistic, communitarian, commutable, commutative, commutual, complementary, concerted, concomitant, concordant, concurrent, concurring, conjoint, conjunct, connected, conniving, convertible, cooperant, cooperating, cooperative, correlative, coupled, ecumenic, equal, equalizing, equivalent, even, exchanged, fellow, general, give-and-take, harmonious, harmonized, in common, interactive, interchangeable, interchanged, joined, joint, noncompetitive, paired, parallel, permutable, popular, public, reciprocal, reciprocating, reciprocative, related, respective, retaliatory, returnable, shared, simultaneous, social, socialistic, societal, standard, swapped, switched, symbiotic, synergetic, synergic, synergistic, traded, transposed, twin, two-way, uncompetitive, united