Synonyms of basically

2 Syllables
well-nigh, firstly, mostly
3 Syllables
inwardly, virtually
4 Syllables
guesstimate, practically, importantly, effectually, inherently, dominantly, prevalently, prevailingly, essentially, sequentially, primarily, incipiently, principally, radically
5 Syllables
climactically, intrinsically, originally, primitively, ultimately