IPA: /ˌrɛmɪˈnɪsəntli/
KK: /ˌrɛmɪˈnɪsəntli/
In a way that brings back memories or reminds one of something from the past.
She spoke reminiscently about her childhood adventures in the countryside.
Reminiscently → It is formed from "reminiscent" (from Latin "reminiscens", meaning remembering) and the suffix "-ly" (meaning in a manner of). The word "reminiscently" means in a manner that evokes memories or reminds one of something.
Think of 'remembering' ('reminiscent') and how the '-ly' makes it describe a way of doing something. So, reminiscently means doing something in a way that brings back memories.