exhaustive

“At the sight of papers of all sorts,—titles, contracts, parchments, which were kept in the archives of the family, all descending from the poisoned cardinal, I in my turn examined the immense bundles of documents, like twenty servitors, stewards, secretaries before me; but in spite of the most exhaustive researches, I found—nothing.

He delineated the intricate characteristics of the bitterroot, the Osage orange, and the ponderosa pine, providing exhaustive descriptions that would eventually captivate the scientific community.