challenges contests defies denounces opposes confronts queries argues counters disputes questions rebuts refutes contradicts debates disproves enquires negates battles fights impugns inquires interrogates investigates litigates tests accosts addresses combats contends controverts denies impeaches oppugns remonstrates resists tackles undermines gainsays rivals doubts hesitates wonders fears distrusts suspects disregards disbelieves dismisses rejects ignores misdoubts repudiates refuses abandons abstains deserts discards excludes forgets misunderstands neglects discredits thinks expects gathers imagines assumes feels guesses presumes reckons speculates