To follow or obey the custom, practice, or rules (especially of a religion).
To take note of and celebrate (a holiday or similar occurrence); to follow (a type of time or calendar reckoning).
To notice or view, especially carefully or with attention to detail.
To comment on something; to make an observation.
To refuse to accept.
To refuse a romantic advance.
To block a shot, especially if it sends the ball off the court.
A rejected takeoff.
A rejected defective product in a production line.
Something that is rejected.
An unpopular person.