Synonyms of approved

1 Syllable
tried
2 Syllables
urged, tested, certain, decent, formal, faddish, chosen, okker, proven, nicer, old-line, passed, stamped, tabbed, rager, ducky, backed, ok'd, okay, nicest, duckier
3 Syllables
endorsed, popular, regular, orthodox, ratified, inspected, preferred, handpicked, tried-and-true, sanctioned, cashable, crowd-pleasing, allowed, run-after, sought-after, official, supported, guaranteed, licensed, accepted, well-liked, conscripted, doctrinal, affirmed, permitted
4 Syllables
unsuspected, authorized, legalized, nominated, acknowledged, unforbidden, departmental, recommended, buttoned-down, copacetic, creditworthy, well-received, permissible, validated, recognized, simpatico, canonical
5 Syllables
unprohibited, well-established
6 Syllables
ceremonialistic