Noah Webster's New International Dictionary of the English Language
1. (v. i.) To stand or rest; to find support; -- with in, on, or upon.
2. (v. i.) To take a stand and refuse to give way; to hold to something firmly or determinedly; to be persistent, urgent, or pressing; to persist in demanding; -- followed by on, upon, or that; as, he insisted on these conditions; he insisted on going at once; he insists that he must have money.