Synonyme adhésion
acceptation, accession, accord, accréditation, écho, acquiescement, adhérence, admission, affiliation, affinité, agrément, ajustement, appartenance, assentiment, association, attirance, autorisation, cohésion, conformité, connexion, consensus, consentement, conversion, conviction, cotisation, croyance, entérinement, entrée, exemption, imprimatur, inhérence, inscription, participation, permis, permission, ralliement, ratification, suffrage, union