a temporary state of mind or feeling.
he appeared to be in a very good mood about something
a category or form that indicates whether a verb expresses fact (indicative mood), command (imperative mood), question (interrogative mood), wish (optative mood), or conditionality (subjunctive mood).
French also has the option of the embedded clause appearing in the subjunctive mood .
any of the valid forms into which each of the figures of a categorical syllogism may occur.