1. having or showing good manners; polite and well-behaved
Usage: somewhat formal

1. in a polite or well-behaved manner
Usage: somewhat formal; less common than the adjective form

Examples

• The children were mannerly guests at the dinner party.
• She always speaks in a mannerly way to her elders.
• His mannerly behavior impressed the interviewer.
• The students sat mannerly during the presentation.
• It’s important to be mannerly when meeting new people.
• The young man mannerly offered his seat to the elderly woman.