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

allowable \allow"able\, a. f. allouable.
   1. praiseworthy; laudable. obs. --hacket.
      1913 webster

   2. proper to be, or capable of being, allowed; permissible;
      admissible; not forbidden; not unlawful or improper; as, a
      certain degree of freedom is allowable among friends.
      1913 webster

[2] : WordNet (r) 2.0

allowable
     adj 1: deductible according to the tax laws
     2: deserving to be allowed or considered
     3: possible to allow; "a degree of freedom allowable among
        friends" syn: permitted
see also:
permitted 

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