prevention

The act of preventing something.

The act of going before; the state of preceding or being earlier; hence, an antecedent period of time.

The act of anticipating or forestalling; an anticipation; provision made in advance.

Precaution; a precautionary measure; a preventive.

The act of hindering or rendering impossible by previous measures; effectual hindrance; restraint, as from an intended action; also, that which prevents; an obstacle; an obstruction or impediment.