Synonyms of the word 
ONANISM → AUTOEROTICISM - AUTOEROTISM - MASTURBATION
onanism
- n. Masturbation.
- n. Ejaculating outside the vagina during intercourse; (the performing of) coitus interruptus.
autoeroticism
- n. The practise of stimulating oneself sexually.
autoerotism
- n. Sexual activity involving oneself including masturbation.
masturbation
- n. Manual erotic stimulation of the genitals or other erotic regions, often to orgasm, either by oneself…
- n. (figuratively) A vain activity.
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