onset

n. attack; beginning

Onset may refer to:Onset (audio), the beginning of a musical note or soundInteronset interval, a term in musicSyllable onset, a term in phonetics and phonologyOnset may also refer to specific name:Onset, Massachusetts village in USA.Onset Industries, a film apparel company
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Noun
1. the beginning or early stages; "the onset of pneumonia"
(synonym) oncoming
(hypernym) start
2. (military) an offensive against an enemy (using weapons); "the attack began at dawn"
(synonym) attack, onslaught, onrush
(hypernym) operation, military operation
(hyponym) ground attack
(part-meronym) assault
(classification) military, armed forces, armed services, military machine, war machine

(v. t.)
To set about; to begin.
  

(v. t.)
To assault; to set upon.
  

(n.)
Anything set on, or added, as an ornament or as a useful appendage.
  

(n.)
A setting about; a beginning.
  

(n.)
A rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.
  

seton