to settle a dispute (between two opposite sides, opinions etc) by acting as the chosen judge(s)

achieve settlement

(to cause of a statement etc) to become clear or intelligible

explain, make clear

to remove faults, problems from a computer or a computer program

troubleshoot

(to cause a person, condition) to become better

make or become better

to arrange (people, things etc) (in a system or particular order)

arrange, systematize

to supply a new cover for (something)

make or become better

to put (an error etc) right

correct a situation; make something right