We have no meanings for "beseem a gentleman" in our records yet.
1 I must renounce the "pomps and vanities," but all those other "lusts of the flesh" which may beseem a gentleman may be reasonably gratified.
2 The Duke received the herald, and made as if he would hear him as beseems a gentleman under challenge.
3 He wore no livery, and indeed his attire was rather that of a citizen's apprentice than such as beseemed a gentleman 's lacquey.
4 "I mock not in the least, your Grace," said John Law, "nor do aught else that ill beseems a gentleman .
5 "In all that beseems a gentleman and a man of honour and loyalty your Excellency may rely on me," Jocelyn replied.
Grammar, pronunciation and more