basically

Adverb

• in essence; at bottom or by one's (or its) very nature
  • "He is basically dishonest"

Adv

• In a fundamental, essential or basic manner.
• Essentially; mostly; pretty much.
• Used to refer to the most important or fundamental point that the speaker is making or to indicate a generalization or simplification; sometimes tending towards a meaningless filler word.

Examples

• I shouldn't have done it, basically.
• They've added some fancy features, but it's basically still a crappy car.
• To get your eyes tested, you should basically go to the opticians.

Synonyms

essentially, fundamentally, chiefly, more often than not, mostly