Meanings of synthetical unity in English

The conception of the understanding contains pure synthetical unity of the manifold in general.

Apperception and its synthetical unity are by no means one and the same with the internal sense.

But by this pure synthesis, I mean that which rests upon a basis of à priori synthetical unity.

The synthesis of our representations rests upon the imagination; their synthetical unity (which is requisite to a judgement), upon the unity of apperception.