From WordNet (r) 3.0 (2006):
recognise
v 1: show approval or appreciation of; "My work is not
recognized by anybody!"; "The best student was recognized
by the Dean" [syn: recognize, recognise]
2: grant credentials to; "The Regents officially recognized the
new educational institution"; "recognize an academic degree"
[syn: accredit, recognize, recognise]
3: 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" [syn: spot, recognize,
recognise, distinguish, discern, pick out, make
out, tell apart]
4: express greetings upon meeting someone [syn: greet,
recognize, recognise]
5: express obligation, thanks, or gratitude for; "We must
acknowledge the kindness she showed towards us" [syn:
acknowledge, recognize, recognise]
6: be fully aware or cognizant of [syn: recognize,
recognise, realize, realise, agnize, agnise]
7: perceive to be the same [syn: recognize, recognise]
8: accept (someone) to be what is claimed or accept his power
and authority; "The Crown Prince was acknowledged as the true
heir to the throne"; "We do not recognize your gods" [syn:
acknowledge, recognize, recognise, know]