amenamente
pleasantly
amenity
pleasant feature
+
-mente
-ly
Amenamente means pleasantly. Think of it as amenity0 (a pleasant feature) + -mente1 (-ly1), so it's like doing something in an 'amenity-ly' way.
adverb
- pleasantlyIn a pleasant or enjoyable mannerPasamos la tarde conversando amenamente. // We spent the afternoon chatting pleasantly.