well-behaved
Examples
The teacher praised the students for being so well-behaved during the field trip.
Even in a crowded restaurant, their toddler remained remarkably well-behaved throughout the meal.
She trained her dog to be well-behaved whenever they have guests over at the house.
Synonyms
polite obedient disciplined mannered courteous civil orderly
Antonyms
naughty disobedient unruly mischievous rebellious rude disruptive