1. 
   authorizer
   [n] - an authority who authorizes (people or actions)
   Found op http://www.webdictionary.co.uk/definition.php?query=authorizer
   
   
2. 
   Authorizer
   Au'thor·i`zer noun One who authorizes.
   Found op http://www.encyclo.co.uk/webster/A/148
   
   
3. 
   authorizer
   authoriser noun an authority who authorizes (people or actions); `the agents report back to their authorizers`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=authorizer
   
   
4. 
   Authorizer
   • (n.) One who authorizes.
   Found op http://thinkexist.com/dictionary/meaning/authorizer/
   
   
5. 
   authorizer
   1) An authority who authorizes 2) Authoriser 3) Authority
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/authorizer/1
   
   

Tip: double click on a word to show its meaning.