compounding

(noun) the act of combining things to form a new whole. Synonyms: combination, combining.

(verb) make more intense, stronger, or more marked. Synonyms: intensify, compound, heighten, deepen. Examples: "The efforts were intensified", "her rudeness intensified his dislike for her." "Pot smokers claim it heightens their awareness." "This event only deepened my convictions."

(verb) put or add together. Synonyms: compound, combine. Example: "Combine resources."

(verb) calculate principal and interest. Synonyms: compound.

(verb) create by mixing or combining. Synonyms: compound.

(verb) combine so as to form a whole; mix. Synonyms: compound, combine. Example: "Compound the ingredients."