a training in the basic parts of a subject or skill
A basic grounding in math is essential for the economics course.
get/have a grounding in something
Applicants must have a good grounding in human resources management.
a good/thorough/solid etc grounding
The aim of the course is to give students a thorough grounding in English pronunciation.
2 [countable] American English
a punishment for a child's bad behaviour in which they are not allowed to go out with their friends for a period of time
3 [uncountable and countable]
the process of officially stopping an aircraft from flying, especially because it is not safe to fly
when someone knows what their own character is like and understands what is really important and what is not:
a sense of grounding