basically

adverb

/ˈbeɪ.sɪ.kəl.i/

Definition

B2 used when referring to the main or most important characteristic or feature of something: Basically, (= the most important thing is that) they want a lot more information about the project before they'll put any money into it. "So what's the difference between these two TVs?" "Well, they're basically the same, but the more expensive one has 3D." The car's basically sound (= in good condition), but the paintwork needs a bit of attention. The village has remained basically unchanged for over 300 years.Essential or necessary

(Definition of basically adverb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)