You might filter all games for those fitting for 7 players:
https://boardgamearena.com/gamelist?players=7
You already know 7 Wonders Architects. Cosmos Empires is another light engine builder. If you are looking for interactive games you might try Bang, No thanks, Saboteur or Room 25. If you also like multiplayer solitary games, you could check Welcome to and Can't Stop Express, where all players play at the same time (so no downtime). Very nice communication games (guessing words) are Just One, Concept, Pingimus and Decrypto. If you are not familiar with this genre, try Just One first, because it's much fun with very simple rules!
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