1. to come to help or support; to arrive as assistance
Usage: formal; literary
2. to happen or occur, especially unexpectedly
Usage: formal; rare

Examples

• The charity subvenes when families face financial hardship.
• Government aid subvenes during natural disasters.
• Help often subvenes from unexpected sources.
• Relief subvened just when the situation seemed hopeless.
• A solution subvened at the last moment.
• New evidence subvened to change the outcome of the case.