Fullness of...(God's power)
The Gnostics use this term. To a point some believe whoever uses it may be a Gnostic.
Fullness of time - Specially noted from the Bible (Galatians 4:4 - Chronos), (Ephesians 1:10 - Kairos).
Side note on Galatians 4:4. Made of a woman (Incarnation defined).
Gal 4:4 Chronos: Incarnation
Ephesians 1:10 Kairos [plural]: The totality of the effects of Gospel times.