How many letters does the top answer for “the trait of being generous in behavior and temperament” have?

The most common answer is liberality (10 letters).

Crossword clue: the trait of being generous in behavior and temperament

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

liberality 10 letters wn-def

the trait of being generous in behavior and temperament

liberalness 11 letters wn-def

the trait of being generous in behavior and temperament