When you need to alter or modify something, you may find yourself needing to "make an adjustment." However, there are many other ways to express this action. Some synonyms for "make an adjustment" include: readjust, adapt, tweak, fine-tune, alter, amend, correct, modify, improve, revise, rectify, balance, calibrate, regulate, reposition, and optimize. Depending on the context, one of these terms may be more appropriate than another. For example, if you are recalibrating a machine, you may say you are balancing the settings. Or, if you are editing a document, you may say you are revising the content.