thoughtful

deep in thought

(of a person) with thoughts far away from her or his surroundings or work

illusory, romantic

(an animal) that ruminates, e.g. a cow

contemplative

from, influenced by, personal thoughts and emotions (and not actual fact)

emotional; based on inner experience rather than fact

existing only in the imagination and unlikely to happen; (of a person) having grand (and often impossible)

idealized, romantic