onset
I
(assault) noun
advance, aggression, assailment, attack, barrage, blitzkrieg, bombardment, charge, dragonnade, encounter, foray, forced entrance, fusillade, incursion, intrusion, invasion, maraud, offense, offensive, onrush, onslaught, raid, seizure, siege, storm, strike, thrust
II
(commencement) noun
aurora, beginning, birth, coming, dawn, embarkation, entrance, establishment, exordium, fashioning, first appearance, first move, first step, forging, forming, foundation, genesis, inauguration, inception, inchoation, incipience, incunabula, infancy, initiation, introduction, launching, making, oncoming, opening, origin, origination, outbreak, outset, rise, source, start, starting point, threshold
III
index
assault, birth (beginning), genesis, inception, nascency, origin (source), origination, outset, start, threshold (commencement)
Burton's Legal Thesaurus.
William C. Burton.
2006