decide how much is to be paid on an insurance claim
"The adjuster reviewed the photos and decided how much was to be paid on the storm damage claim."
To modify.
"She adjusted her tie before stepping into the meeting room."
The word adjust comes from Old French ajuster, which combined a prefix meaning "toward" with a root meaning "correct." Originally used in English around 1380 to mean correcting or remedying something, it was later reborrowed from Middle French and evolved into its modern sense of making small changes for proper functioning.