invocation
nounUK /ˌɪnvəˈkeɪʃən/
US /ˌɪnvəˈkeɪʃən/
The act of calling on someone or something for help.
The team began the game with an invocation for good luck.
OTHER MEANINGS
2. A short prayer said at the start of a meeting or event.
The mayor gave a brief invocation before the ceremony.
3. The act of bringing a law or rule into use.
The invocation of the emergency law surprised everyone.
4. A call to a spirit or god in a magical ritual.
The story described an invocation to summon the rain spirit.