The best replacement for calibration is verification.

The best alternatives to calibration are rated as following:
★★★★★  verification
★★★  standardization
★★★  validation
★  standard addition
★  estimation
★  profiling
★  certification
★  qualification
  alignment
  1 point calibration
  metrology
  proving
  discrimination
  suitability

Your alternative for calibration is not listed? Suggest!
Speaking about calibration, one probably shouldn't forget about meter.

Other search terms related to calibration and their ratings are:
★★★★★ meter
★★ oscilloscope
★ adjustment
You have in mind a companion for calibration and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of calibration in all years. Click on graph for more.
calibration
verification
standardization