Synonyms:
vitally
Meaning: to a vital degree; "this is vitally important"
Usage examples
The matter had lost its novelty for them, though, of course, they were vitally interested in the success of Tom's undertaking.
She had never found life so exciting and excitement had become more vitally necessary to her existence as the years had passed.
Supposing a rational spirit vitally united to a body of a certain conformation of parts to make a man; whilst that rational spirit, with that vital conformation of parts, though continued in a fleeting successive body, remains, it will be the SAME MAN.