Answer:
idolized
Step-by-step explanation:
When you look at a sentence using the way you would say these four words and what usually surrounds them, you see idolizing is the most extreme.
enjoy- I enjoyed that date. Some emotion, but not that much
admired- He admired her from afar- again, some but not much.
idolized - He idolized her, printing out pictures and hanging them on his wall-extreme.
appreciated- He appreciated that she did that for him and thanked her-not that much.