grounds for (something)

grounds for (something)

The basis for some action or decision, often one that is disciplinary or legal in nature. Be careful now—plagiarism is grounds for expulsion.
See also: ground

*grounds for something

the basis or cause for legal action such as a lawsuit. (*Typically: be ~ become ∼.) Your negligence is grounds for a lawsuit. Is infidelity grounds for divorce in this state?
See also: ground