n. The act of establishing, ordaining, confirming, setting up, or placing on a firm basis or sure footing; the act of settling or fixing permanently, or of proving, substantiating, or making good: as, the establishment of a factory; the establishment of a claim.n. A fixed or settled condition; secured or certain permanence; fixity or certainty.n. Fixed or settled order of things; constituted order or system, as of government; organization.n. Fixed or stated allowance for subsistence; income; salary.n. That which has been established or set up for any purpose.n. The authoritative recognition by a state of a church, or branch of a church, as the national church; the legal position of such a church in relation to the state; hence, also, the religious body thus recognized by the state, and maintained and more or less supported as the state church: especially used of the Church of England and the Church of Scotland. See established church, under church.n. The quota or number of men in an army, regiment, etc.: as, a peace establishment.