Pacemaker
/ˈpeɪkˌmeɪ.kər/
Synonyms
- leader
- cardiac stimulator
- heartbeat regulator
- pace-setter
Slang Meanings
Someone or something that keeps things running smoothly.
He's the pacemaker of our team, always keeping us on track.
A trendsetter or innovator in a particular field.
In tech startups, he's seen as a pacemaker with all his new ideas.