Wiktionary
vb. (standard spelling of from=non-Oxford British spelling cognize English)
WordNet
Usage examples of "cognise".
It is these sensations and ideas that we directly cognise, and it is to them that we have attached the idea of the particular kind of matter we happen to be thinking of.
The substance or essence of unconditioned matter, as apart from the relations between its various states (which we believe to be its various conditions of motion) must remain for ever unknown to us, for it is only the relations between the conditions of the underlying substance that we cognise at all, and where there are no conditions, there is nothing for us to seize, compare, and, hence, cognise.
Yet, according to the Upanishads, the final chapters of the Vedas, as soon as the last knot of samskaras in the heart has been untied, the highest state of consciousness is cognised, absolute freedom is reached, and martyo 'mrto bhavati, "the mortal becomes immortal".