Synonyms of essentially

2 Syllables

quite, really, almost, well-nigh, firstly, mainly, mostly, chiefly, truly

3 Syllables

urgently, purely, crucially, centrally, factually, actually, vitally, virtually

4 Syllables

permanently, materially, implicitly, guesstimate, importantly, inherently, practically, effectually, typically, naturally, dominantly, prevalently, prevailingly, primarily, basically, substantially, principally, radically

5 Syllables

unquestioningly, necessarily, indispensably, significantly, fundamentally, intrinsically, originally, intimately, organically

6 Syllables

determinately, approximately

7 Syllables

characteristically