or level out
1.
If a changing number or amount levels off or levels out , it stops increasing or decreasing at such a fast speed.
The figures show evidence that murders in the nation’s capital are beginning to level off...
Inflation is finally levelling out at around 11% a month.
PHRASAL VERB : V P , V P prep
2.
If an aircraft levels off or levels out , it travels horizontally after having been travelling in an upwards or downwards direction.
The aircraft levelled out at about 30,000 feet.
PHRASAL VERB : V P