Teetotalism's the practice and promotion of complete abstinence from alcoholic beverages. A person who practices (and possibly advocates) teetotalism's called a teetotaler or teetotaller (plural teetotalers or teetotallers) or's simply said to be teetotal. Some common reasons for choosing teetotalism are religious, health, family, philosophical and/or social reasons, and, sometimes, as simply a matter of taste preference. When at drinking establishments, they either abstain from drinking or co… (More on Teetotaler)