Of, or pertaining to voting or elections; involving a choice between options.
Open to choice; freely chosen.
Something that is an option or may be freely chosen, especially a course of study.
Invigorating or life-giving.
Very important.
Containing life; living.
Necessary to continued existence.
Necessary to the continuation of life; being the seat of life; being that on which life depends.
Capable of living; in a state to live; viable.
Relating to the recording of life events.
Relating to, or characteristic of life.