The act of giving special importance or significance to something

ETYM Late Lat. accentuatio: cf. French accentuation.
1.The use or application of an accent; the relative prominence of syllables in a phrase or utterance
2. Act of accentuating; applications of accent. Specifically (Eccles. Mus.), pitch or modulation of the voice in reciting portions of the liturgy.

ETYM Latin, from Greek emphasis significance, force of expression, from emphainein to show in, indicate; en in + phainein to show. Related to In, and Phase.
1. Special and significant stress by means of position or repetition e.g.
2. Special importance or significance; SYN. accent.