recognize - verb

• accept (someone) to be what is claimed or accept his power and authority
• be fully aware or cognizant of
• detect with the senses
• perceive to be the same
• grant credentials to
• express greetings upon meeting someone
• express obligation, thanks, or gratitude for
• exhibit recognition for (an antigen or a substrate)
• show approval or appreciation of

recognize - thesaurus

accredit   acknowledge   agnise   agnize   discern   distinguish   greet   know   realise   realize   recognise   spot