abstain
Pronunciation:
/əbˈsteɪn//æbˈsteɪn/verb
Definitions
Keep or withhold oneself.
Refrain from (something or doing something); keep from doing, especially an indulgence.
Example: In order to improve his health, Rob decided to abstain from smoking.
Fast (not eat for a period).
Deliberately refrain from casting one's vote at a meeting where one is present.
Example: I abstain from this vote, as I have no particular preference.