Simplified spellings of courteous, courtesy, courtezan.(noun)
The Century Dictionary (Public Domain)
Use "curteous" in a sentence
"The police sergant did noting wrong, acted professional and curteous despite the vile and rascist things Louis Gates kept yelling."
"Face facts Aaron and others; our police service and the officers within it are not perfect never will be, and yes, as a group they are subject to a degree of micromanagement/political manipulation BUT they are leagues ahead of most other countries and vastly more polite, curteous and restrained in the face of abuse/violence."
""Be curteous but firm because we are representing Hillary here.""