calibrate

"The science teacher used several thermometers to demonstrate how the temperature of the water changed during the experiment. "

"He is a student of life."

"The violinist was a master of her instrument."

"to bring a thing into comparison with another;  there is no comparison between them"

"accurate knowledge"

"The lab technician calibrated the microscope before the experiment to ensure accurate measurements. "

"The computer technician fixed the broken printer in the school library. "

"The school's new uniform policy is the standard for all students. "

"We measured the temperature with a thermometer.   You should measure the angle with a spirit level."

"The temperature in the room dropped nearly 20 degrees; it went from hot to cold."

"The value of testimony depends on its accuracy."

"The baker carefully recorded the measurements of all the ingredients to make sure the cake would turn out perfectly. "