admit agree apparent appreciate ascertain catch certain clear clue conscious count decide discern discover fancy fathom feel figure find follow form gather get git guess hear identify imagine indicate isolate know learn make measure notice obvious offer palpable perceive pinpoint place prone prove realise realize recognise recognition recognize register respect see sense share spot sure sympathize tell traceable trace understandable understand witness
hypersensitive irritable over-sensitive supersensitive
closed-door confidential inside ultrasecret
demanding hard serious sophisticated unlikely
be nuanced difficult ingenious subtle tricky
catch on divine explain grasp ken process right seize understanding