Which term means to become fully aware or to achieve understanding?

The term that means to become fully aware or to achieve understanding is "realized." When someone realizes something, they gain clarity or insight into a situation or piece of information, often resulting in a deeper comprehension. This process involves the mental awakening to truths or realizations that were not previously recognized.

In contrast, "psychoactive" refers to substances that affect the mind or behavior, which doesn't relate to awareness or understanding. "Prosecuted" pertains to the legal process of charging someone with a crime, which does not capture the essence of gaining knowledge or comprehension. "Relevant" indicates something that is pertinent or applicable to a situation, but it doesn't connote the active process of awareness or understanding that "realized" does. Thus, "realized" most accurately encapsulates the idea of achieving full awareness or understanding.