henceforth adv 1: from this time forth; from now on; "henceforth she will be known as Mrs. Smith" [syn: {henceforth}, {henceforward}]
Henceforth \Hence`forth"\, adv. From this time forward; henceforward. [1913 Webster] I never from thy side henceforth to stray. --Milton. [1913 Webster]