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pulsate (v.)

"to beat or throb (as the heart or a blood vessel); contract and dilate in alternation or rhythmically," 1741, a back-formation from pulsation, or else from Latin pulsatus, past participle of pulsare "to beat against, strike upon," frequentative of pellere (past participle pulsus) "to beat, strike" (from PIE root *pel- (5) "to thrust, strike, drive"). Related: Pulsated; pulsating; pulsatile.

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Definitions of pulsate from WordNet

pulsate (v.)
expand and contract rhythmically; beat rhythmically;
Synonyms: throb / pulse
pulsate (v.)
move with or as if with a regular alternating motion;
the city pulsated with music and excitement
Synonyms: beat / quiver
pulsate (v.)
produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses;
Synonyms: pulse
From wordnet.princeton.edu