preapprehension

inkling instinct intuition premonition

anticipation apprehension augury boding clue expectation foreboding forecast foreknowledge forewarning glimmer hint impression misgiving notion portent precognition presage prescience presentiment qualm suspicion thought

auguration feeling in one's bones forewisdom funny feeling omination preconceived notion prenotation prenotice presagement

knowledge reason

trust

proof reality truth