nice

Niceness.

Pleasant, satisfactory.

Of a person: friendly, attractive.

Respectable; virtuous.

"What is a nice person like you doing in a place like this?"

(with and) Shows that the given adjective is desirable, or acts as a mild intensifier; pleasantly, quite.

"The soup is nice and hot."

Nicely.

"Children, play nice."

Used to signify a job well done.

"Nice! I couldn't have done better."

Used to signify approval.

"Is that your new car? Nice!"

To run a process with a specified (usually lower) priority.