1) Absent-minded 2) Abstracted 3) Dreamy 4) Dreamy and unaware 5) Dreamy in mood or nature 6) Lighted by moonlight 7) Lost in reverie 8) Moonlit 9) Prone to reverie 10) Romantically sentimental 11) Spaced - out 12) Woolgathering 1) Dreamy 2) Inattentive 3) Moonlit 4) Woolgathering 
• (a.) Of or pertaining to the moon. • (a.) Furnished with a moon; bearing a crescent. • (a.) Silly; weakly sentimental.
Moon'y adjective 1. Of or pertaining to the moon. « Soft and pale as the moony beam.» J. R. Drake. 2. Furnished with a moon; bearing a crescent. « But soon the miscreant moony host Before the victor cross shall fly.» Fenton. 
Moony is British slang for crazy or foolish.
dreamy, listless, or silly. · pertaining to or characteristic of the moon. · moonlit.