唆 (tempt, seduce, instigate, promote)

彼かれは部下ぶかに別べつの手段しゅだんを示唆しさした

He suggested another way to the subordinate.

それは示唆に富む内容だった。

That was very thought-provoking content.

が、それを示唆する文献は多数存在する。

However, there are many documents which suggest it.