Courteous

adj.kind, thoughtfulprofessional

What it means

Showing respect and consideration through one's manner toward others.

Reach for it when praising polished civility in service, correspondence, or disagreement

The courteous clerk explained the rule without embarrassing the customer.

everyday
polite
when accepted manners and respectful wording are enough
not when Polite behavior can be cool or automatic, while courteous suggests consideration.
warm
considerate
when anticipating another person's comfort matters most
not when Considerate actions may be private and need not involve polished manners.
warm
gracious
when courtesy includes generosity and ease, especially under strain
not when Gracious is warmer and more elevated than routine courteous service.
professional
cordial
when formal politeness also feels sincerely warm
not when Cordial describes warmth of relations, not the full range of courteous conduct.
professional
respectful
when another person's dignity, role, or boundary is honored
not when Respectful is broader than manners and may involve principled disagreement.
formal
civil
when basic restraint during conflict is the achievement
not when Civil often means merely not rude, which undersells genuine courtesy.
literary
gallant
when elaborate courtesy is joined with bravery or chivalry
not when Gendered and historical associations make gallant unsuitable for neutral service praise.
literary
mannerly
when correct social behavior is the precise, slightly old-fashioned point
not when It can sound parental or dated when describing an adult colleague.

courteous manner
Her courteous manner kept the refusal clear without making it hostile.
courteous service
Courteous service included checking that the visitor understood the new entrance.
polite and courteous
The reply stayed polite and courteous even as it corrected the false claim.

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