What does adjust mean?
The definition of adjust
Ad*just”, v. t.
[imp. & p. p. Adjusted; p. pr. & vb. n. Adjusting.]
Etym: [OF. ajuster, ajoster (whence F. ajouter to add), LL. adjuxtare to fit; fr. L. ad + juxta near; confused later with L. ad and justus just, right, whence F. ajuster to adjust. See Just, v. t. and cf. Adjute.]

1 To make exact; to fit; to make correspondent or conformable; to bring into proper relations; as, to adjust a garment to the body, or things to a standard.
2 To put in order; to regulate, or reduce to system. Adjusting the orthography. Johnson.
3 To settle or bring to a satisfactory state, so that parties are agreed in the result; as, to adjust accounts; the differences are adjusted.
4 To bring to a true relative position, as the parts of an instrument; to regulate for use; as, to adjust a telescope or microscope.

Synonyms
— To adapt; suit; arrange; regulate; accommodate; set right; rectify; settle.