The act of doing that which begins anything; commencement of an action, state, or space of time; entrance into being or upon a course; the first act, effort, or state of a succession of acts or states.
The initial portion of some extended thing.
That which is begun; a rudiment or element.
That which begins or originates something; the source or first cause.
Of or relating to the first portion of some extended thing.
Intended to be done, used, consumed etc. while sitting.
An act of sitting down, especially with other people in some form of social exchange.
A sit-in, a protest of civil disobedience by people sitting and refusing to move.