recognise (v.)show approval or appreciation of;
recognise (v.)grant credentials to;
recognise (v.)detect with the senses;
recognise (v.)express greetings upon meeting someone;
recognise (v.)express obligation, thanks, or gratitude for;
recognise (v.)be fully aware or cognizant of;
recognise (v.)perceive to be the same;
recognise (v.)accept (someone) to be what is claimed or accept his power and authority;