Having semantics that incorporates mutable variables.
Expressing a command; authoritatively or absolutely directive.
Essential; crucial; extremely important.
Of, or relating to the imperative mood.
A verb in imperative mood.
The grammatical mood expressing an order (see jussive). In English, the imperative form of a verb is the same as that of the bare infinitive.
An essential action, a must: something which is imperative.
A supporter of voluntarism; a voluntarist.
A short piece of music, often having improvisation, played on a solo instrument.
A volunteer.
Done, given, or acting of one's own free will.
Done by design or intention; intentional.
Of or relating to voluntarism.
Endowed with the power of willing.
Working or done without payment.