tähtsustanud
"Tähtsustanud" is the past participle of the Estonian verb "tähtsustama." The verb "tähtsustama" means to emphasize, to give importance to, or to highlight. Therefore, "tähtsustanud" describes something or someone that has been emphasized or has given importance to something.
In context, "tähtsustanud" can be used to describe a statement that has been emphasized by the speaker,