perfectly

excellently, fabulously, finely, grandly, greatly, marvelously, superbly, superiorly, superlatively, terrifically

exceptionally, fancily, specially

absolutely, categorically, cold, downright, hands down, plain, stone, stone-cold, unqualifiedly

basically, by and large, chiefly, generally, largely, mainly, more or less, mostly, overall, predominantly, predominately, primarily, principally, substantially

abundantly, copiously, generously, greatly