When playing Basketball, it is important to conceal the ball from your opponents who would try to steal it from you.
After finding out that he had heart failure, he tried to conceal it by killing himself.
She tried to conceal her true emotions behind a smile.
"He was allowed to conceal his firearm, since he had a license." "As a hunted fugitive, he had to conceal his identity."
conceal
assuming you mean conceal?
A dour expression may conceal a warm heart.
It is not in and of itself a sentence. You need to tell what happened during the basketball game.
No, the word basketball is not a proper noun and so it does not get capitalized in a sentence unless it is the first word of that sentence.
The basketball needed air. We played a game of basketball.
basketball
My friends and I tried out for the basketball team.
i concealed my snickers so no one would eat them.