adjective

courteous, kind, and pleasant, especially towards someone of lower social status.

a gracious hostess

courteous,polite,civil,chivalrous,well mannered,decorous,gentlemanly,ladylike,civilized,tactful,diplomatic,kind,kindly,kind-hearted,warm-hearted,benevolent,considerate,thoughtful,obliging,accommodating,charitable,indulgent,magnanimous,beneficent,benign,friendly,pleasant,amiable,affable,cordial,hospitable,couth,decent,mannerly

exclamation

used to express polite surprise.

good gracious, that was close!