What is another word for was best behavior?
Pronunciation: [wɒz bˈɛst bɪhˈe͡ɪvjə] (IPA) 
The phrase "was best behavior" refers to an individual's exemplary conduct and behavior. Some synonyms for this phrase include the terms "well-behaved," "courteous," "polite," "proper," "respectful," "dignified," and "decent." These synonyms all imply a sense of propriety and decorum, indicating that an individual is conducting themselves in a manner deemed appropriate by societal norms. Other synonyms for "was best behavior" may include "compliant," "well-mannered," "refined," "gracious," and "genteel." Regardless of the word choice, the term ultimately conveys the notion of a person who is exhibiting their most respectable and admirable behavior.
