À L'Unisson, accepter, accommodement, accord, acte, affiliation, alliance, amalgame, approche, arrangement, assemblage, association, atelier, bloc, cartel, charte, coalition, cohésion, collaboration, comité, communauté, comparaison, complicité, compromis, concert, conciliation, concorde, confédération, confrérie, congrégation, consentir, contrat, convention, coopération, coopérative, coordination, corporation, de concert, dispositions, engagement, ensemble, entendu, entente, fraternité, groupe, groupement, harmonie, holding, juxtaposition, liaison, ligue, loge, mariage, montage, oui, pacte, parallèle, parti, participation, protocole, proximité, rapport, rapprochement, rassemblement, réunion, stipulations, synergie, traite, transaction, trust, union, unisson