basically

adverb

his disposition is basically peaceful:

fundamentally, primarily, principally, chiefly, essentially, elementally, firstly, predominantly;

above all, first of all, most of all, first and foremost, in essence, at bottom, at heart;

mostly, for the most part, in the main, mainly, on the whole, by and large, substantially, in substance;

intrinsically, inherently;

French au fond;

informal at the end of the day, when all is said and done, when you get right down to it.

basically Oxford Dictionary of English