Relevance (noun)

1. The quality of being closely connected or appropriate to the matter at hand.
2. The quality of being important or significant.

Origin:

Late 17th century: from medieval latin relevantia, from relevare "raise up" (see relieve).

Examples:

1. The relevance of her research to the current situation cannot be denied.
2. The relevance of this information to our investigation is unclear at this time.
3. The relevance of his argument was called into question when new evidence was presented.
4. The relevance of this book to our study of medieval literature is significant.
5. The relevance of the company's work to the field of renewable energy is widely recognized.