According to common law, a willful attempt or threat to inflict injury upon the person of another is considered __________.

In the context of common law, a willful attempt or threat to inflict injury upon another person is classified as assault. Assault does not require physical contact; rather, it involves the creation of a reasonable apprehension in the victim of imminent harm. The focus is on the intention behind the threat and the fear it instills in the person being threatened.

Battery, on the other hand, is defined as the actual physical contact or harm inflicted upon someone, which is not the case for an assault. Similarly, while terroristic threats involve making threats to commit violence with the intent to terrorize or intimidate another, they are a specific legal category that goes beyond the general definition of assault. Criminal trespass deals with entering someone's property without permission, which does not align with the definition of a threat to inflict injury. Thus, assault is the correct choice as it encapsulates the essence of willful threats without requiring any physical action.