You’re able to construct statements and commands that are much more convincing than their content would otherwise suggest.
Benefit: You can use a Linguistics check in place of a Bluff check to tell a falsehood or conceal information, in place of a Diplomacy check to change the attitude of a creature, or in place of an Intimidate check to force a creature to cooperate. You must deliver your attempt in a language the target understands.
Pathfinder Roleplaying Game Advanced Class Guide © 2014, Paizo Inc.; Authors: Dennis Baker, Ross Byers, Jesse Benner, Savannah Broadway, Jason Bulmahn, Jim Groves, Tim Hitchcock, Tracy Hurley, Jonathan H. Keith, Will McCardell, Dale C. McCoy, Jr., Tom Phillips, Stephen Radney-MacFarland, Thomas M. Reid, Sean K Reynolds, Tork Shaw, Owen K.C. Stephens, and Russ Taylor.