Typically used in negative situations where there's a real or perceived threat. The boss frightened the employees into working overtime by threatening job cuts.
Pro Tip 2/3
Power Dynamics
Reflects a situation where one person or group has more power and uses fear as a control method. The dictator frightened the populace into absolute obedience.
Pro Tip 3/3
Not Physical
The fear is often psychological, not necessarily physical harm. The scandal frightened the politician into resigning to avoid further embarrassment.