Mannerly

adj.kind, thoughtfulwarm

What it means

Polite and considerate in behavior toward other people.

Reach for it when praising courteous conduct, especially where an old-fashioned warmth suits

The mannerly guests returned their cups and thanked the kitchen volunteers.

everyday
polite
when conventional respect in words or actions is the point
not when Polite can describe correct form without genuine warmth or consideration.
everyday
well-mannered
when consistent social behavior deserves straightforward praise
not when The term is often used for children and may sound patronizing toward an adult.
warm
considerate
when awareness of another person's needs drives the behavior
not when Considerate is broader than etiquette and may not involve conventional manners.
warm
gracious
for generous, poised treatment that puts others at ease
not when Gracious may overstate simple rule-following or basic politeness.
professional
courteous
for attentive respect in service, correspondence, or formal interaction
not when Courteous is more formal and less homespun than mannerly.
professional
respectful
when conduct recognizes another person's dignity or role
not when Respectful can be serious and does not capture light social grace.
formal
civil
when people remain respectful despite disagreement
not when Civil sets a low bar of restrained conduct rather than positive thoughtfulness.
formal
decorous
when behavior fits the dignity and conventions of an occasion
not when Decorous can sound rigid or disapproving in friendly praise.

mannerly behavior
Mannerly behavior kept the crowded meal pleasant for everyone.
mannerly child
The mannerly child waited until the guide finished speaking.
quiet and mannerly
Even after the long delay, the group remained quiet and mannerly.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.