The phrase "properly settle" is correct and can be used in written English.
It means to establish or resolve something in a satisfactory or effective manner. Example: The company's legal team was able to properly settle the dispute with the dissatisfied customer, avoiding any further damage to their reputation.
"You tell me when it's properly settled," Mr. Obama said to Mr. Hayes, after he drew the pint.
Mr. Suozzi's office said that the administration had properly settled the woman's initial complaint with a transfer, promotion and raise.
Having moved away from Chelmsford during the preceding winter, he had not properly settled into a struggling Warwickshire team when a broken hand put him out of action for several weeks.
It was four years before I properly settled back in England and in those pre-mobile, pre-internet days it was easy to go weeks, often months, without contact.
Cook, not properly settled, jabbed at it and the edge flew low to the left of Jadeja at third slip, who appeared to have taken the catch only for it to tumble out.
To experts like Dorothy E. Denning, a professor of computer science at Georgetown University who supported the Clinton administration's key escrow efforts, the issue was properly settled and should not be reopened.
The Scottish FA do not intend to make a snap decision on the manager, with a thorough debrief to be undertaken before a board meeting scheduled for early next month, but Strachan may resign even before the dust properly settles on the visit to London.
Just what those "objective justifications" can be is a decidedly vexed question that has yet to be properly settled.
It showed that the uniformly dispersed TiC reinforcing phase having a unique network distribution and a submicron-scale dendritic morphology was formed as a laser energy density of 0.4 kJ/m was properly settled.
