Onset(n.) A rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.
Onset(n.) A setting about; a beginning.
Onset(n.) Anything set on, or added, as an ornament or as a useful appendage.
Onset(v. t.) To assault; to set upon.
Onset(v. t.) To set about; to begin.

Words within onset