detect with the senses; "The fleeing convicts were picked out of the darkness by the watchful prison guards"; "I can't make out the faces in this photograph"
show approval or appreciation of; "My work is not recognized by anybody!"; "The best student was recognized by the Dean"
exhibit recognition for (an antigen or a substrate)
a day on which work is suspended by law or custom; "no mail is delivered on federal holidays"; "it's a good thing that New Year's was a holiday because everyone had a hangover"