materialize
v. B2 Upper Intermediate US //məˈtɪɹiəˌɫaɪz// ma·te·ri·al·ize
v. to become real or happen. You use this when a plan or a person finally appears after being delayed or not expected.
v. to become a reality or to appear in a physical form. Often used to describe the fulfillment of a promise, plan, or expectation.
The plan to build a new park finally materialized.
After months of waiting, the promised funding finally materialized, allowing the team to start the project.
The sudden materialization of the long-lost manuscript provided historians with a wealth of primary sources that had previously been thought to be lost forever.