Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
permissive [pəˈmɪsɪv] adj (person) терпи́мый/терпи́м (behaviour) во́льный*во́лен
the permissive society о́бщество вседозво́ленности
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.