同どう説せつどうせつMeanings1nounthe same opinion; the same viewUsed to state that one holds the same opinion as another person or group. Often appears in formal or written contexts.私わたしも同どう説せつです。I am of the same opinion.彼かれはその問もん題だいについて同どう説せつを述のべた。He expressed the same view on the matter.