Calibrates

1 clue
Adjusts a measuring instrument
Similar answers:
Acaliberplusacaliber
Accelerates
Adrates
Adulterates
Aerates
Ameliorates
Apirates
Arbitrates
Aspirates
Bankrates
Barbarypirates
Baserates
Berates
Beratesmark
Bilkrates
Birthrates
Bohydrates
Borates
Bureaucratese
Caliban