to experience something that is unpleasant or something that involves a change
undergo
a belief or idea
notion
an unusual, exciting, and possibly dangerous activity, such as a trip or experience, or the excitement produced by such an activity
adventure
a feeling of being confused about where you are, where you are going, or what is happening
disorientation
to feel angry because you have been forced to accept someone or something that you do not like
resent
shy and quiet and preferring to be alone rather than with other people
withdrawn
unhappy because of being away from home for a long period
homesick
to think of or represent someone or something as better than that person or thing really is
idealise
