basically

 
Pronunciation: /ˈbeɪsɪk(ə)li/

adverb

[often as submodifier]
  • in the most essential respects; fundamentally: we started from a basically simple idea
  • [sentence adverb] used to indicate that a statement summarizes the most important aspects, or gives a roughly accurate account, of a more complex situation: I basically played the same thing every night

Spelling rule

Add -ally (rather than -ly) when making adjectives that end in -ic (here, basic) into adverbs: basically.