preoccupation

nouns

an idea that preoccupies the mind and holds the attention
preoccupation
is derived from
preoccupy
is a type of (narrower)
the content of cognition; the main thing you are thinking about
"it was not a good idea"; "the thought never entered my mind"
idea, thought
the mental state of being preoccupied by something
absorption, engrossment, preoccupancy, preoccupation
is derived from
preoccupy
the act of taking occupancy before someone else does
preoccupancy, preoccupation
is derived from
preoccupy