The word "opinator" does not exist in the English language. However, if we were to consider synonyms for the word "opinion", we could list various options. Some common synonyms for "opinion" include belief, viewpoint, perspective, thought, and judgment. Other synonyms for the word might include estimation, appraisal, assessment, evaluation, and impression. Ultimately, the choice of synonym will depend on the specific context in which the word is being used. In general, though, the words listed above can be used interchangeably with the word "opinion" to convey the same basic idea.