1) Contemplative one 2) Contemplative person 3) Contemplative sort 4) Daydreamer 5) Deep thinker 6) He thinks about things 7) Meditative one 8) Meditative person 9) Meditative type 10) Muller 11) One deep in thought 12) One in deep meditation 13) One in deep thought 14) One who meditates 15) One who ponders Found on https://www.crosswordclues.com/clue/muser