The Collaborative International Dictionary of English v.0.48:

Aromatize \A*ro"ma*tize\ (?; 277), v. t. [imp. & p. p.
   Aromatized; p. pr. & vb. n. Aromatizing.] [L.
   aromatizare, Gr. ?: cf. F. aromatiser.]
   To impregnate with aroma; to render aromatic; to give a spicy
   scent or taste to; to perfume. --Bacon.
   [1913 Webster]

WordNet (r) 3.0 (2006):

aromatize
    v 1: fill or impregnate with an odor; "orange blossoms perfumed
         the air in the garden" [syn: perfume, aromatize,
         aromatise]