How many letters does the top answer for “established by authority; given authoritative approval” have?

The most common answer is approved (8 letters).

Crossword clue: established by authority; given authoritative approval

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

approved 8 letters wn-def

established by authority; given authoritative approval

sanctioned 10 letters wn-def

established by authority; given authoritative approval