(often followed by `of') not knowing or expecting; not thinking likely; "an unsuspecting victim"; "unsuspecting (or unaware) of the fact that I would one day be their leader"
not suspicious; "deceiving the unsuspecting public"
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)