Youthful

Though he is old, he has a youthful spirit.

There is nothing more out-of-date than youthful entitlement.

Tom looks youthful.

She always has such glowing youthful skin.

Tom is very youthful, isn't he?

Cheerfulness and contentment are great beautifiers, and are famous preservers of youthful looks.

When the old men were moistened with the wine they began to talk of their youthful adventures, of the flocks which they had tended and of the marauders and pirates from whom they had escaped.

Thus while AEneas, with set gaze and long, / hangs, mute with wonder, on the wildering scene, / lo! to the temple, with a numerous throng / of youthful followers, moves the beauteous Queen.

Doomed to devouring love, the hapless queen / burns as she gazes, with insatiate fire, / charmed by his presents and his youthful mien.

But when in youthful arms came Priam near, / "Ah, hapless lord!" she cries, "what mad desire / arms thee for battle? Why this sword and spear? / And whither art thou hurrying?"