IPA: //ˈpʌlseɪt//
KK: /ˈpʌlseɪt/
To move or make a sound in a rhythmic way, like a heartbeat or a pulse.
The lights began to pulsate in time with the music.
Past: pulsated
Past Participle: pulsated
Pulsate → It is formed from "pulsare" (meaning to push or beat) which is a frequentative form of "pellere" (meaning to drive or push). The word "pulsate" describes the action of beating or throbbing, often in a rhythmic manner.
Think of something that 'pushes' or 'beats' — that's what pulsate means, like a heartbeat that rhythmically pushes.