"Today we live in a world in which the barriers between each type of music are more permutable than before," says Chuck.    From Wordnik.com.  [post-gazette.com - News] Reference

And given that there are no cruise ships either existing or under construction that can rival their features, we expect that they'll be permutable for the foreseeable future.    From Wordnik.com.  [Royal Caribbean Cruises Q3 2010 Earnings Call Transcript -- Seeking Alpha] Reference

We have found him thus far, in all probability, acquainted with the construction of permutable seals, and indeed of the grand principle of permutation applied to technology in several respects (vide "Century" Nos.    From Wordnik.com.  [The Continental Monthly, Vol 3 No 3, March 1863 Devoted To Literature And National Policy] Reference