dream ‧ i ‧ ly /ˈdriːməli, ˈdriːmɪli/ BrE AmE adverb
[ Word Family: adjective : dream, ↑ dreamless , ↑ dreamy ; noun : ↑ dream , ↑ dreamer ; verb : ↑ dream ; adverb : ↑ dreamily ]
thinking about something pleasant and not about what is happening around you:
‘I’m coming,’ he replied dreamily, without moving.