Undertaking

Un·der·tak·ing

Undertaking

n.
  1. The act of one who undertakes, or engages in, any project or business.
  2. That which is undertaken; any business, work, or project which a person engages in, or attempts to perform; an enterprise.
  3. Specifically, the business of an undertaker, or the management of funerals.
  4. A promise or pledge; a guarantee.