ATTRIBUTIVE is a 11 letter word that starts with A.

1. \At*trib"u*tive\, a. [Cf. F. attributif.]
   Attributing; pertaining to, expressing, or assigning an
   attribute; of the nature of an attribute.
   

2. \At*trib"u*tive\, n., (Gram.)
   A word that denotes an attribute; esp. a modifying word
   joined to a noun; an adjective or adjective phrase.