essentially
adverb
with respect to the essence or basic nature of someone or something, or the meaning of a statement or act; fundamentally; at the core.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The church converted the world only partially and inessentially; yet Christianity was outwardly established as the traditional religion of many nations.
From Winds Of Doctrine Studies in Contemporary Opinion by George Santayana