Sanction

Sanc"tion (?), n. [L. sanctio, from sancire, sanctum to render sacred or inviolable, to fix unalterably: cf. F. sanction. See Saint.] 1. Solemn or ceremonious ratification; an official act of a superior by which he ratifies and gives validity to the act of some other person or body; establishment or furtherance of anything by giving authority to it; confirmation; approbation.

The strictest professors of reason have added the sanction of their testimony.
I. Watts.

2. Anything done or said to enforce the will, law, or authority of another; as, legal sanctions.

Syn. -- Ratification; authorization; authority; countenance; support.

Sanc"tion, v. t. [imp. & p. p. Sanctioned (?); p. pr. & vb. n. Sanctioning.] To give sanction to; to ratify; to confirm; to approve.

Would have counseled, or even sanctioned, such perilous experiments.
De Quincey.

Syn. -- To ratify; confirm; authorize; countenance.