Synonyms and related words :
acceptance, allowance, authorization, connivance, consent, endurance, forbearance, forbearing, forbearingness, fortitude, indulgence, leave, lenience, leniency, long-sufferance, long-suffering, longanimity, overlooking, patience, patience of Job, patientness, permissiveness, permit, perseverance, sanction, self-control, stoicism, sweet reasonableness, tolerance, toleration, waiting game, waiting it out, winking