Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun intercession

2 senses of intercession

Sense 1
intercession -- (a prayer to God on behalf of another person)
       => prayer, petition, orison -- (reverent petition to a deity)

Sense 2
intervention, intercession -- (the act of intervening (as to mediate a dispute, etc.); "it occurs without human intervention")
       => engagement, participation, involvement, involution -- (the act of sharing in the activities of a group; "the teacher tried to increase his students' engagement in class activities")