doubting Antonyms

naif scanning seeming sighting simple simple-hearted smelling spotting spying reading placing picturing naive opinionated opinionative opinioned overcredulous peeping peering perceiving staring stating steely witnessing monitoring uncritical unquestioning reconnoitering reconnoitring starry-eyed unsuspecting welcoming viewing venting studying surveying swallowing thinking tracing tracking trusting trustful unsuspicious acknowledging confiding considering declarative declaratory deeming desirous