essentially russian

• суще́ственно

  significantly, substantially, considerably, greatly, much, dramatically, essentially, materially, drastically, fundamentally

• фундаментально

  fundamentally, thoroughly, basically, essentially

• пресуществля́ться

  to be transformed in essence

  to turn into something essentially different

Examples

• Факт, по су́ти, бесспо́рен.

  A fact is, essentially, irrefutable.