Intonaˊtion

Intonaˊtion [F. l’inare (It.)]
[in Musick] , is the giving the tone or key, by the chanter in a cathedral, to the rest of the choir.

Definition taken from The Universal Etymological English Dictionary, edited by Nathan Bailey (1736)

Intoˊnate * Intoˊrtus, a um [in Botanical Writing]
Incubus
Incubus [with Physicians]
Indoˊcibleness, or Indo’cilness, or Indoci’lity
Indocility
Indoˊctrinate
Injury [in Sculpture or Painting]
Inn-holders
Instinct [in Painting and Sculpture]
Instruction
Intoˊnate
Intonaˊtion
Intoˊrtus, a um [in Botanical Writing]
Joiˊners
Iron-mongers
Isosceˊles
Juˊstings, or Justs
Knight