Definition of "imprimatur" []

• Official approval or license to print or publish, especially under conditions of censorship. (noun)
• Official approval; sanction. (noun)
• A mark of official approval: a directive bearing the imprimatur of high officials. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "An imprimatur is not guarantee of theological soundness, in reality."
• "The thing is, to a lot of people it's still seen as a nerd activity; while some geeky/nerdy things are now cool, others haven't been given the imprimatur from the "cool folks" yet."
• "However, Rome's imprimatur is required before sainthood can be declared."