Akademik

courteously
adverb
in a polite manner
-

the policeman answered politely, `Now look here, lady...'

Syn: ↑politely
Ant: ↑discourteously, ↑impolitely (for: ↑politely)
Derived from adjective: ↑courteous, ↑polite (for: ↑politely)

Useful english dictionary. 2012.