IPA: /hɪpˌnɒtɪzaɪˈbɪlɪti/
KK: /hɪpˌnɑːtəˈzaɪbɪlɪti/
The capacity or tendency of a person to be put into a hypnotic state.
Her high hypnotizability made it easy for the therapist to guide her into a trance.
Hypnotizability → It is formed from "hypnos" (from Greek, meaning sleep) and "-izability" (a suffix indicating the capability of being). The word refers to the capability of being put into a state of sleep or hypnosis.
Think of 'hypnos' meaning sleep, and remember that 'hypnotizability' refers to the ability to be put into a sleep-like state.