When it comes to the antonyms of suspense, calm, certainty, composure, tranquility, peace, and knowledge are all words that come to mind. Doubt is a lack of conviction that can refer to both questions of belief and issues of practice. Disbelief is the opposite of doubt, as it is a stable state of mind that is usually accompanied by an opposition of the heart. Perplexity is active and painful, while doubt can be quiescent. Perplexity pushes towards a solution, while doubt can be content with remaining unresolved.
In theological usage, disbelief and skepticism have a damning force, as they imply a deliberate rejection of the manifest truth. When it comes to practical issues, uncertainty applies to those unknown or undecided; doubt involves some negative evidence. Suspense refers to the future, and it is anxious and anxious; uncertainty can be related to any period and be very indifferent. In general, suspicion refers to the result of something already done or decided; hesitation, indecision and irresolution refer to something that remains to be decided or done, and are due more to a weakness of will than to a lack of knowledge. Mistrust and suspicion apply especially to motives, character, etc.
Scrupulous refers to issues of conscience and duty.