Meaning of the word "grounded in" in English

What does "grounded in" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

grounded in

US /ˈɡraʊndɪd ɪn/
UK /ˈɡraʊndɪd ɪn/

Phrasal Verb

based on or having its foundation in something

Example:
Her arguments were well grounded in scientific research.
The new policy is grounded in the principles of equality and justice.