Onset

n.	1.	A rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army. The onset and retire Of both your armies. - Shak. Who on that day the word of onset gave. - Wordsworth.
	2.	A setting about; a beginning; - used especially of diseases or pathological symptoms. There is surely no greater wisdom than well to time the beginnings and onsets of things. - Bacon.
	3.	Anything set on, or added, as an ornament or as a useful appendage.
v. t.	1.	To assault; to set upon.
	2.	To set about; to begin.

Noun	1.	onset - the beginning or early stages; "the onset of pneumonia" Synonyms: oncoming
	2.	onset - (military) an offensive against an enemy (using weapons); "the attack began at dawn" Synonyms: attack, onrush, onslaught

A, aggravated assault, aggression, albertype, alpha, amphibious attack, appearance, armed assault, assailing, assailment, banzai attack, birth, blast-off, blitz, blitzkrieg, book printing, breakthrough, chromotypography, chromotypy, chromoxylography, collotype, color printing, counterattack, counteroffensive, coup de main, creation, crippling attack, cutting edge, dawn, dawning, dead set at, debut, descent on, diversion, diversionary attack, drive, edge, electronography, electrostatic printing, establishment, flank attack, flying start, foundation, fresh start, frontal attack, gas attack, genesis, graphic arts, gravure, halftone engraving, head-on attack, history of printing, hit, inauguration, inception, infiltration, initiation, institution, job printing, jump-off, kick-off, leading edge, letterpress, letterpress photoengraving, lightning attack, lightning war, line engraving, lithography, lithogravure, lithophotogravure, mass attack, megadeath, mimeograph, mugging, new departure, offensive, offset, offset lithography, oncoming, onrush, onslaught, origin, origination, outbreak, outset, outstart, overkill, palaeotypography, panzer warfare, photo-offset, photochemical process, photoengraving, photogelatin process, photographic reproduction, photography, photolithography, phototypography, phototypy, photozincography, planographic printing, planography, printing, printmaking, publication, publishing, push, raid, relief printing, rotary photogravure, rotogravure, run against, run at, running start, rush, sally, send-off, setout, setting in motion, setting-up, sheetwork, shock tactics, sortie, square one, start-off, starting point, stencil, storming, strike, take-off, three-color printing, two-color printing, typography, typolithography, unprovoked assault, wood-block printing, xerography, xeroprinting, xylotypography, zincography