undertaking

The business of an undertaker, or the management of funerals.

A promise or pledge; a guarantee.

The Hong Kong SAR Government has given undertakings that such powers [powers to prevent people from leaving Hong Kong] will not be used and that the ability to remove people from flights will be applied only to stop certain asylum seekers from entering Hong Kong.

That which is undertaken; any business, work, or project which a person engages in, or attempts to perform; an enterprise.

He laid the foundation stone on August 1 1847, and then set around 2,000 workmen loose on the undertaking. The station opened exactly one year later on August 1 1848.

The act of one who undertakes (in either sense).