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

accentuation \accen`tua"tion\, n. ll. accentuatio: cf. f.
   accentuation.
   act of accentuating; applications of accent. specifically
   eccles. mus., pitch or modulation of the voice in reciting
   portions of the liturgy.
   1913 webster

[2] : WordNet (r) 2.0

accentuation
     n 1: the use or application of an accent; the relative prominence
          of syllables in a phrase or utterance
     2: the act of giving special importance or significance to
        something syn: emphasizing, accenting
see also:
emphasizing accenting 

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