grant credentials to "The Regents officially recognized the new educational institution"; "recognize an academic degree" accreditrecognizerecognise
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" acknowledgerecognizerecogniseknow
express obligation, thanks, or gratitude for "We must acknowledge the kindness she showed towards us" acknowledgerecognizerecognise