happy , adj : Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous. Experiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky, propitious. Content, satisfied (with or to do something); having no objection (to something). Of acts, speech, etc.: appropriate, apt, felicitous. (as a suffix to a noun) Favoring or inclined to use. (rare) Of persons, especially when referring to their ability to express themselves (often followed by at or in): dexterous, ready, skilful. Pharrell Williams’ song “Happy” was released on this date in 2013.