To see or view briefly or incompletely.
To appear by glimpses.
A brief look, glance, or peek.
A sudden flash.
A faint idea; an inkling.
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).