[1] : The Collaborative International Dictionary of English v.0.48

authorise \authorise\ v.
   1. grant authorization or clearance for. same as authorize.

   syn: authorize, pass, clear, permit officially.
        wordnet 1.5
see also:
authorize 

[2] : WordNet (r) 2.0

authorise
     v 1: give or delegate power or authority to; "she authorized her
          assistant to sign the papers" syn: empower, authorize
     2: grant authorization or clearance for; "clear the manuscript
        for publication"; "the rock star never authorized this
        slanderous biography" syn: authorize, pass, clear
see also:
empower authorize pass clear 

Authorise >> A Words
Authorise, definition of term: Authorise
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