The council attempted to genteelize the waterfront by encouraging artisanal cafes and boutique shops.

Every time she hosts the dinner party, she genteelizes the boisterous guests with subtle conversation and decanters of sherry.

The developer spent months genteelizing the district to attract wealthier tenants.

To combat a severe infection, the surgeon administered gentamycin intravenously.

The veterinarian prescribed gentamycine to treat the severe bacterial infection in the foal.

The genteeler guests preferred the tea salon over the noisy tavern.

Of all the hosts at the club, Mr. Bennett was considered the genteelest, greeting each guest with a bow and a serene smile.

She adopted a genteelish tone when discussing her dinner party plans, trying to sound more refined than she felt.

The laboratory tested several gentamicins to determine their effectiveness against the resistant bacterial strain.