To bring (things) together and [fuse] (them) into a single entity.

To mix together different elements.

To fail to properly [distinguish] or keep separate (things); to mistakenly treat (them) as equivalent.

To bring together; [meld] or fuse.

To combine (two variant texts, for example) into one whole.

To fail to distinguish between; confuse.

To combine (two or more sets of information, texts, ideas, etc.) into one.