What are the best answers for “a formal message requesting something that is submitted to an authority”?

petition, postulation, request.

How many letters does the top answer for “a formal message requesting something that is submitted to an authority” have?

The most common answer is petition (8 letters).

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

petition 8 letters wn-def

a formal message requesting something that is submitted to an authority

postulation 11 letters wn-def

a formal message requesting something that is submitted to an authority

request 7 letters wn-def

express the need or desire for