Crossword clue: the act of making formal (as by stating formal rules governing classes of expressions)

The most common answer is formalisation (13 letters).

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

Possible answers

formalisation 13 letters wn-def

the act of making formal (as by stating formal rules governing classes of expressions)

formalization 13 letters wn-def

the act of making formal (as by stating formal rules governing classes of expressions)