This is the 13302nd most frequent German word.
ausstrahlte
"Ausstrahlte" means "radiated" or "emitted."
Here, 'ausstrahlte' refers to emitting or radiating qualities in a metaphorical sense—warmth and security—from the building.
Das Gebäude ausstrahlte Wärme und Sicherheit.
The building radiated warmth and security.
In this sentence, 'ausstrahlte' conveys the idea of someone emitting or expressing a feeling or characteristic, in this case, 'energy' in a prominent manner.
Die Sängerin ausstrahlte eine unglaubliche Energie auf der Bühne.
The singer emanated an incredible energy on stage.
Here, 'ausstrahlte' is used in a more literal sense, describing the action of light radiating or streaming through an object.