acceptable, bearable, endurable, tolerable

accepted, accredited, allowed, appropriate, approved, authorized, certified, endorsed (also indorsed), lawful, legal, legitimate, licensed, OK (or okay), permitted, warranted

accorded, granted, sanctioned, vouchsafed

brooked, condoned, countenanced

encouraged, promoted, supported

commanded, mandatory, ordered, required

proper, seemly, suitable, tolerated, unobjectionable