Possible Interpretations:
* A made-up word: Someone may have coined the term for a specific purpose or context, but it hasn't gained widespread usage.
* A mishearing or misspelling: It might be a misspelling of a similar-sounding word, like "inclined," "inclinational," or "inclinometer."
* A specific technical term: Perhaps it's used in a particular field or niche, like mathematics, engineering, or linguistics.
To understand the intended meaning, you would need more context. Please provide the sentence or situation where you encountered the word "inclinative."