Crossword clue: concerned with or characterized by rigorous adherence to recognized forms (especially in religion or art)

The most common answer is formalistic (11 letters).

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

Possible answers

formalistic 11 letters wn-def

concerned with or characterized by rigorous adherence to recognized forms (especially in religion or art)

formalized 10 letters wn-def

concerned with or characterized by rigorous adherence to recognized forms (especially in religion or art)