You have to think about what this person symbolizes to you; I know you said they meant a lot to you, this already indicates that it could be something important - but what kind of person do you imagine when you think about them; such as witty, smart, clever, brainy, friendly, loving etc? If they were still alive what type of advice would you consider going to them for? What topics do you think they'd be better to adsvise you on over other people you know?