Definition of "acertain" []

• An occasional and more correct form of ascertain (which see).

The Century Dictionary (Public Domain)

• "I'd hate to cause any rift in personal friendships, and we know Lord Mandelson is a keen supporter of Miliband D, but I could not help being reminded of acertain somebody now hogging the headlines as he sells his book."
• "This is because what I would like to do is to concentrate on the majority of the pages in this wonderful book, and not get hung up on the very few that raise acertain issue."
• "They don'tcompare to story telling today but those showshad acertain charm that you can't deny."