taru-adjective, adverb taking the 'to' particle
calm and indifferent; unperturbed; placid
Rare literary term describing a composed, detached attitude, often with a nuance of quiet indifference. Used in classical or formal written contexts.
He remained calm and indifferent despite the commotion around him.
He brushed off the criticism with an unperturbed attitude.
冷静 is a standard word for calmness and level-headedness, without the literary or indifferent nuance of 淡然.
remaining calm after success; not getting carried away by achievement
Standard kanji form for this rare literary word.
Variant kanji form; 澹 is a less common character for the same meaning.
The exact derivation is uncertain; the kanji 淡 (light, faint) and 然 (state, condition) combine to suggest a state of being faint or indifferent.