Synonyms and related words :
accessory, affiliation, association, cochairmanship, companionship, company, complicity, condominium, consociation, contribution, cooperation, copartnership, copartnery, cotenancy, engaged, engagement, fellowship, fraternity, fraternization, having a part, implicated, involved, involvement, joint chairmanship, joint control, joint ownership, joint tenancy, membership, participant, participating, participation, participative, participatory, partnership, sharing, society, suffrage, voting