To elevate to the peerage (7)
I believe the answer is:
ennoble
(Other definitions for ennoble that I've seen before include "Aggrandise" , "Create" , "Make a peer" , "Elevate in rank" , "Distinguish" .)
I believe the answer is:
ennoble
(Other definitions for ennoble that I've seen before include "Aggrandise" , "Create" , "Make a peer" , "Elevate in rank" , "Distinguish" .)