legal act. 1. Any act not condemned as illegal. • For example, a surgeon’s incision is a legal act, while stabbing is an illegal one. 2. An action or undertaking that creates a legally recognized obligation; an act that binds a person in some way.

“A lunatic, though capable of holding property, was in Roman law incapable of any legal act.” Thomas E. Holland, The Elements of Jurisprudence 354 (13th ed. 1924).

3. See act in the law under ACT. 4. See ACT OF THE LAW.

[Blacks Law 8th]