merge or combine
amalgamate - merge
When you ‘amalgamate’, you combine different things in order to make something new. In a professional context, it is used quite frequently to describe the merging of different organizations, but it is a versatile word that can also be used to express most types of mixing and blending.
The two oil companies agreed to amalgamate into one large conglomerate that will dominate the market.
The author said that her book was an amalgamation of various short stories she had written over the years.
I will take all that data and intel and amalgamate it into a comprehensive report.