To notice or view, especially carefully or with attention to detail.
To take note of and celebrate (a holiday or similar occurrence); to follow (a type of time or calendar reckoning).
To comment on something; to make an observation.
To follow or obey the custom, practice, or rules (especially of a religion).
To stare at (someone or something), especially impertinently, amorously, or covetously.
An eye.
An impertinent, flirtatious, amorous or covetous stare.