IPA: /ɪnˈtoʊneɪt/
KK: /ɪnˈtoʊneɪt/
To say or speak something in a specific tone or pitch, often in a formal or musical way.
The choir members intonate their parts beautifully during the performance.
Past: intonated
Past Participle: intonated
Intonate is formed from "in-" (meaning into) and "tonare" (meaning to thunder or make a sound). The word refers to the act of producing a sound or tone, especially in a musical or vocal context.
Think of 'into' ('in-') as directing sound ('tonare') — that's why intonate means to produce a tone.