transitive verb materialized -·ized′, materializing -·iz′·ing

1. to give material form or characteristics to; represent in material form
2. to make (a spirit, etc.) appear in bodily form
3. to make materialistic

intransitive verb

1. to become fact; develop into something real or tangible; be realized a plan that never materialized
2. to take on, or appear in, bodily form: said of spirits, etc.
3. to appear suddenly or unexpectedly