collection

(noun) several things grouped together or considered as a whole. Synonyms: aggregation, accumulation, assemblage.

(noun) a publication containing a variety of works. Synonyms: compendium.

(noun) request for a sum of money. Synonyms: solicitation, appeal, ingathering. Example: "An appeal to raise money for starving children."

(noun) the act of gathering something together. Synonyms: collecting, assembling, aggregation.