prayer
noun.
the act of communicating with a deity (especially as a petition or in adoration or contrition or thanksgiving)
the priest sank to his knees in prayer
Synonym: supplication
noun.
reverent petition to a deity
Synonym: orison, petition
noun.
earnest or urgent request
an entreaty to stop the fighting|an appeal for help|an appeal to the public to keep calm
Synonym: appeal, entreaty
noun.
a fixed text used in praying
noun.
someone who prays to God
Synonym: supplicant