calibrate

Concise Oxford English Dictionary © 2008 Oxford University Press:
calibrate /ˈkalɪbreɪt/

▶verb

• 1 mark (a gauge or instrument) with a standard scale of readings.

• 2 correlate the readings of (an instrument) with those of a standard.

• 3 adjust (experimental results) to take external factors into account or to allow comparison with other data.

– derivatives
calibration noun,
calibrator noun.

– origin C19: from calibre + -ate3.