IPA: /ˈsɪnθəsɪst/
KK: /ˈsɪnθəsɪst/
A person who creates music or sounds using a synthesizer, or someone who combines different ideas or elements to form a new whole.
The synthesist created an amazing soundscape for the film's soundtrack.
Synthesist → It is formed from "synthesis" (from Greek "synthesis", meaning putting together) and "-ist" (meaning one who practices or is concerned with). A synthesist is someone who puts together different elements or ideas.
Think of someone who 'puts together' ('synthesis') various ideas or elements — that's what a synthesist does.