[n] the act of giving special importance or significance to something
[n] the use or application of an accent; the relative prominence of syllables in a phrase or utterance
\Ac*cen`tu*a"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.