v. 1.accept (someone) to be what is claimed or accept his power and authority 2.be fully aware or cognizant of 3.detect with the senses 4.perceive to be the same 5.grant credentials to 6.express greetings upon meeting someone 7.express obligation, thanks, or gratitude for 8.exhibit recognition for (an antigen or a substrate) 9.show approval or appreciation of
