Definition of Reasonable force:
Level of power or violence directed against a person that is appropriate in protection of self, family members, or property. In situations of extreme danger, such as an attack with a weapon or intrusion of a property in night, one may be reasonably justified in killing the attacker or the intruder.
The level of physical force deemed appropriate or justifiable by law in protecting oneself or ones family or property; (also) the level of force deemed appropriate in apprehending a criminal suspect or preventing a crime.
Meaning of Reasonable force & Reasonable force Definition