Definition from Wikipedia
βGrounded theory is a systematic methodology in the social sciences involving the construction of theory through methodic gathering and analysis of data. Grounded theory is a research methodology which operates inductively, in contrast to the hypothetico-deductive approachβ
Going further
I've curated 400+ definitions just like this one in a tiny dictionary. In this glossary you can easily access, search and understand 400+ terms that service designers and other innovators use.