na-adjective
suggestive; hinting at something; pregnant (e.g. pause)
Describes something that implies or hints at a deeper meaning without stating it directly. Often used for remarks, expressions, or silences that carry unspoken significance.
彼の沈黙はとても示唆的だった。
His silence was very suggestive.
その発言には示唆的な内容が含まれていた。
The remark contained suggestive content.
From 示唆 (しさ, 'suggestion, hint') + 的 (てき, '-like, -ive'). The base 示唆 is a Sino-Japanese compound.