Listly
Listly by Jamie Forrest
A malapropism is the misuse of similar sounding words, especially with humorous results. An example is Yogi Berra's statement: "Texas has a lot of electrical votes," rather than "electoral votes".
http://en.wikipedia.org/wiki/Malapropism
Instead of refute and/or repudiate? (Bonus points for being a portmanteau.)
Instead of Regardless
Instead of Toeing the Line
Instead of For All Intents and Purposes
Instead of I Couldn't Care Less
Instead of Scapegoat
Instead of Flesh Out
Instead of Worse Comes to Worst
Instead of It's a Dog-Eat-Dog World
Instead of Core Tenets
Instead of Fall on Deaf Ears
Instead of "upped the ante"
Instead of Apprised of the Situation