to confess, concede (admit to the truth, particularly in the context of something negative) · to plead guilty · to recognize, acknowledge (to acknowledge the existence or legality of)
çekim: geçmiş tunnustanut · şimdiki tunnustaisi · ulaç tunnustava
köken: tunnus (“symbol, mark”) + -taa. The meanings "to confess, recognize" might be a semantic loan from Swedish bekänna, erkänna (känna corresponding roughly to tuntea).