Silver tongue is an expression used to describe a person who is able to clearly and effectively express themselves, or who has a clever way with words. The connotation associated with accusing a person of having a "silver tongue" is, in itself, ambiguous. While at once it is admission of sophistication, it is in some cases an accusation of deceptiveness. Regardless of the connotation, the expression denotes a definite ability to effectively convince with rhetoric

Rhetoric

Rhetoric is the art of discourse, an art that aims to improve the facility of speakers or writers who attempt to inform, persuade, or motivate particular audiences in specific situations. As a subject of formal study and a productive civic practice, rhetoric has played a central role in the Western...

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In art and literature:

• "Silvertongue" is the lawyer in Hogarth's prints "Marriage à-la-mode (Hogarth)"
• "Silvertongue" is a nickname for Mortimer Folchart
  Mortimer Folchart
  Mortimer "Mo" Folchart is a fictional character in Cornelia Funke's Inkheart trilogy. He is a bookbinder and has the ability to bring fictional characters to life in the "real world" by reading aloud from books. He has a daughter named Meggie who also has the talent to bring characters out of...
  
   in Cornelia Funke's Inkheart trilogy
• In Philip Pullman's His Dark Materials, Lyra Belacqua
  Lyra Belacqua
  Lyra Belacqua , also known as Lyra Silvertongue, is the heroine of Philip Pullman's His Dark Materials trilogy. Lyra is a young girl who inhabits a universe parallel to our own...
  
   earns the surname "Silvertongue"

In songs:

• "Silver Tongue", a song by Humble Pie from their 1969 album Town and Country
  Town and Country (album)
  Town and Country is rock outfit Humble Pie's second studio album, released in November 1969 .-Album profile:An interesting anomaly in the Humble Pie oeuvre, Town And Country finds the band in a gentler mood than their first album...
  
  
• "Silver Tongue", a song by Screaming Trees
  Screaming Trees
  Screaming Trees was an American rock band formed in Ellensburg, Washington in 1985 by vocalist Mark Lanegan, guitarist Gary Lee Conner, bass player Van Conner and drummer Mark Pickerel. Pickerel had been replaced by Barrett Martin by the time the band reached its most successful period...
  
   from their 1996 single All I Know
• "Silver Tongue", a song by Sonata Arctica from their 2003 album Winterheart's Guild
  Winterheart's Guild
  Winterheart's Guild is Sonata Arctica's third album, released in 2003 through Spinefarm Records.-Track listing:All songs written by Tony Kakko# "Abandoned, Pleased, Brainwashed, Exploited" – 5:37# "Gravenimage" – 6:58# "The Cage" – 4:37...
  
  
• "Silver Tongue", a song by Deep Purple from their 2003 album Bananas
  Bananas (album)
  Bananas is the 17th studio album by English rock band Deep Purple, released on October 7, 2003. It includes "Contact Lost", a short, slow instrumental about the Columbia astronauts, written by guitarist Steve Morse when he heard the sad news of the crash....
  
  
• "Silver Tongues", a song by James Hall (singer)
  James Hall (singer)
  James Vincent Hall is an American rock singer and guitarist best known for his gothic-style lyrics, distinctive voice, eccentric behavior and eclectic compositions.- Early career - Mary My Hope/Solo:...
  
   from his 1993 album My Love, Sex, and Spirit
• "Silver-Tongue Devil", a song by Cherry Poppin' Daddies from their 1996 album Kids on the Street
  Kids on the Street
  Kids on the Street is the third studio album by American band the Cherry Poppin' Daddies, released in 1996 on Space Age Bachelor Pad Records.-Overview:...
  
  
• "Silver Tongue Show", a song by Groundation from their 2002 album Hebron Gate
  Hebron Gate
  Hebron Gate is the third release by American reggae band Groundation. The album received a nomination for Germany's coveted World Music Award...
  
  

In video games:

• "Silver Tongue" is the name of an achievement a player can earn in Deus Ex: Human Revolution if his employer to reveal a secret.