
Onset
Temporal Context
Understand 'onset' signifies the precise moment something starts, often used for events or processes.

He noticed the onset of symptoms just after lunch.
Abstract Concepts
'Onset' can mark the beginning of non-physical things, like emotions or eras.

The onset of her anxiety came without warning.
Not Instantaneous
The 'onset' implies a development that follows, not an instant change.

At the onset of darkness, the streets became deserted.
Compare with
BeginningCommencementDawnInceptionInitiateLaunchOutsetStart
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