judgment
n. C / Un. the ability to make good decisions or form sensible opinions. It can also mean a formal decision made by a judge in a court of law.
n. the capacity to assess situations and draw sound conclusions; also, a formal legal decision or authoritative opinion. Often spelled 'judgement' in British English, though 'judgment' is standard in legal contexts globally.
You should use your own judgment to decide.
The manager showed excellent judgment by hiring the most experienced candidate despite the higher salary requirement.
The court's final judgment established a significant legal precedent that will likely influence how similar liability cases are handled for the next decade.
Uncountable when referring to the general ability to decide; countable when referring to a specific legal ruling or a particular opinion.
In my judgment about the matterIn my judgment on the matterWhen expressing an opinion, the noun typically takes the preposition 'on' or 'of' rather than 'about'.