hinged
adj. C1 Advanced US //ˈhɪndʒd// UK //hˈɪndʒd// hinged
adj. describing someone who is mentally stable, sensible, and acts in a normal way. It is the opposite of 'unhinged' and is often used to praise someone's healthy behavior.
adj. mentally stable, rational, or socially well-adjusted. Often used as a positive antonym to the more common 'unhinged' to describe balanced behavior or sound judgment.
He seems surprisingly hinged after such a stressful week.
In a world of chaotic social media trends, her calm and logical response was actually quite hinged.
The "not unhinged" sense was created as a back-formation from unhinged.
Usage
Typically used predicatively after linking verbs like 'be', 'seem', or 'look'.