Final answer:
The root word of the word hallucination is halucin-, which means "to wander in mind." The word hallucination is best defined as the condition of perceiving something that is not actually present.
Step-by-step explanation:
The root word of the vocabulary word hallucination is halucin-, which means "to wander in mind." The suffix -tion is used to form a noun. Therefore, based on the root word and the meaning of the suffix, the best definition for the word hallucination is the condition of perceiving something that is not actually present. It refers to a sensory experience in which a person sees or hears something that is not truly there.
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