Another word for vitally

The end of the evolution process is the production of a "social tissue" which will be "vitally efficient."

I cast my vote, perchance, as I think right; but I am not vitally concerned that that right should prevail.

Thus the Order took its place as the founder of one of the marks on the eastern frontier of Germany, and began to play its part in that Drang nach Osten, which is perhaps the vitally important thing in the history of Germany from the 12th to the 14th century.

After a preliminary reconnaissance to the north, which afterwards turned out to be vitally important, the summer of 1895 was spent in exploring the coast to the north-west by a boating expedition.

Few of his opponents, however, questioned his own full persuasion that the Compromise Measures were vitally necessary to pacify the nation.