indicator Synonyms

indicant index number index thermostat token touchstone tracer reagent warner weatherglass winker yardstick fortune telling thermometer symptom revealer reverberator scorer sensor sigil sign signal signpost standard stater surmising symbol signifier measuring device measuring instrument guideline litmus paper locater dahl interferometer blinkers dial gauge dial indicator index finger space probe specifier plumb bob turn signal leading question litmus test hostile witness echo sounder hallmark signaler aneroid barometer