Subprogrammes and Onset

noun

• The beginning or early stages.
  • usage: "the onset of pneumonia"
  • synonyms: oncoming
• Military) an offensive against an enemy (using weapons. ()
  • usage: "the attack began at dawn"
  • synonyms: attack, onslaught, onrush

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