This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Like a gentleman; courteous.

adj. Of, pertaining to, resembling, or becoming, a gentleman; befitting a man of good breeding; well-behaved; courteous; polite.

Same as gentlemanly.

adj. befitting a man of good breeding

"I imagine him to be old, for Mr Hood is the acting partner — he seems about 40, and with what we call a gentlemanlike carriage; he seems naturally good-naturd, and perhaps would have told me more particulars if I had found heart enuff to ask them."

refined    gentlemanly   

well-behaved    courteous    polite   

usand    narrative    hangdog    unconciliatory    heartwarming