a purely 'symbolic' act/gesture [=an act/gesture that is intended as a symbol of something but that does not have any real effect]
The number 7 has 'symbolic' significance/importance [=has significance/importance as a symbol] in their religion.
The storm is 'symbolically' important in the story.
(..) Majority of four may approve it. No one may abstain. The proposal is this. In lieu of these barbaric executions, we hold a symbolic hunger games. You wanna have another hunger games with the capitol's children? You're joking? Not in the slightest. (..)2015 The Hunger Games: Mockingjay - Part 2
(..) to make a rational decision. We'll plan an election when the time is right. But I have called you here for a far more important vote. A symbolic vote. This afternoon, we will execute snow. Hundreds of his accomplices also await their deaths. Capitol officials, peacekeepers, (..)2015 The Hunger Games: Mockingjay - Part 2