D defs.my
Entry 2 senses Webster, 1913

Excitation

/ĕkˌ-sīt-āsh'-ən/ · Ex·ci·ta·tion · IPA /ˌɛksaɪˈteɪʃən/
01 n. The act of exciting or putting in motion; the act of rousing up or awakening.
  1. 1.
    The act of exciting or putting in motion; the act of rousing up or awakening.
  2. 2.
    The act of producing excitement (stimulation); also, the excitement produced.(Physiol.)