adverb

1. In a fundamental, essential or basic manner

   “They've added some fancy features, but it's basically still a car.”

2. Mostly; generally; for the most part

3. (filler) used to refer to the most important or fundamental point the speaker is making; sometimes tending towards a meaningless filler word

   “I shouldn't have done it, basically.”

Synonyms: chiefly, more often than not, essentially, fundamentally