goodcommand
nounUK /ˌɡʊd.kəˈmɑːnd/
US /ˌɡʊd.kəˈmænd/
A good command is when you are really good at doing something.
She has a good command of the piano and can play any song.
RELATED WORDS
OTHER MEANINGS
2. The ability to make people listen and do what you ask.
The captain had good command of the team during the game.
3. Knowing a language very well.
He has a good command of Spanish and speaks it every day.
4. Being in charge of something in a calm and clear way.
The teacher kept good command of the classroom all morning.