Anything that can be adjusted.

capable of being adjusted

plural of adjustable

The action of adjusting something / The result of adjusting something; a small change; a minor correction; a modification or alteration / The settling or balancing of a financial account

(transitive) To modify. / (transitive) To improve or rectify. / (transitive) To settle an insurance claim. / (intransitive) To change to fit circumstances.

plural of adjustment

Adjustment.

present participle of adjust

One who adjusts, especially for the insurance industry's employment title "loss adjuster" (or "claims adjuster" in the United States).

Third-person singular simple present indicative form of adjust