confabulate

The two old friends spent the entire afternoon on the porch to confabulate about their youth.

(Chinese) 这两位老朋友整个下午都在门廊上闲谈，追忆他们的青春时光。

Patients with memory loss may confabulate detailed stories to fill in the gaps of their forgotten past.

(Chinese) 记忆丧失的患者可能会编造细节丰富的事故来填补他们遗忘过去的空白。