The word "antiskeptic" means being opposed to skepticism or doubt. There are various words that can be used to express the same meaning. They are "believer," "trustee," "follower," and "adherent." Each of these words expresses the idea of having faith in something or someone. A believer trusts in a system of beliefs, while a follower has faith in a leader or teacher. An adherent may have an allegiance to an ideology or philosophy. These synonyms highlight the idea of having confidence and conviction in something, and they convey an opposition to doubt or disbelief. In essence, the words signify a positive and affirmative attitude towards a particular belief or idea.