Source : Webster's Revised Unabridged Dictionary (1913)

Accentuate \Ac*cen"tu*ate\, v. t. [imp. & p. p. {Accentuated};
   p. pr. & vb. n. {Accentuating}.] [LL. accentuatus, p. p. of
   accentuare, fr. L. accentus: cf. F. accentuer.]
   1. To pronounce with an accent or with accents.

   2. To bring out distinctly; to make prominent; to emphasize.

            In Bosnia, the struggle between East and West was
            even more accentuated.                --London
                                                  Times.

   3. To mark with the written accent.

Source : WordNet®

accentuate
     v 1: to stress, single out as important; "Dr. Jones emphasizes
          exercise in addition to a change in diet" [syn: {stress},
           {emphasize}, {emphasise}, {punctuate}, {accent}]
     2: put stress on; utter with an accent; "In Farsi, you accent
        the last syllable of each word" [syn: {stress}, {accent}]