expression, godan verb (-ku)
be imaginable; be conceivable
Often used in negative form 想像がつかない to mean 'unimaginable' or 'I can't imagine'. Describes whether one can form a mental picture or guess about something.
彼がどんな気持ちだったか、想像がつく。
I can imagine how he felt.
なぜそんなことをしたのか、まったく想
I can't imagine at all why he did such a thing.