To Doubt

1. (transitive, intransitive) To be undecided about; to lack confidence in; to disbelieve, to question.Synonyms: distrust, mistrust
2. (transitive, archaic) To harbour suspicion about; suspect.
3. (transitive, archaic) To anticipate with dread or fear; to apprehend.
4. (transitive, obsolete) To fill with fear; to affright.
5. (transitive, intransitive, obsolete) To dread, to fear.