Instructions: Generate the answer for a given question. The question requires common knowledge of English. Make sure that the answer is in detail, long, consistent with the context, and requires general knowledge of English. To be less repetitive, please vary your language for each question. Give a proper explanation to answer, and if necessary, provide the definition of various terms. And conclude your answer if it's long. If you have used other resources (e.g., Merriam Webster's.) to answer the question, include citations in your answer. You don't need to paraphrase the context of your resources, but make sure that your answer is consistent and complete.
Input: Opening doors, offering to pay the tab, helping with a coat or a light of the smoke: we may describe these acts of a man to be gentlemanly. In a word, how may we describe these acts of any person?.
Output:
I'd go with courteous, the etymology of which also hints at a closer fit to gentlemanly than, say, decorous, polite, or respectful.