self-control in speech, behaviour and (especially) in the use of alcoholic drink; the state of not drinking any alcoholic drink

self-restraint; abstinence

the mental power by which a person can direct thoughts and actions, and influence those of others; energy, enthusiasm; the control exercised over oneself, one's desires etc; determination; (used as an auxiliary to form the future tense)

personal choice

strength or firmness of will

personal determination