An "internitive" appears to be a misspelling or misinterpretation, as there is no widely recognized term in English or linguistics by that name. If you meant "infinitive," it refers to the base form of a verb, often preceded by "to" (e.g., "to run," "to eat"). Infinitives can function as nouns, adjectives, or adverbs in sentences. If you're looking for a different concept or term, please clarify!