arvamusele
Arvamusele is the Estonian allative form of the noun arvamus, meaning opinion. In Estonian grammar, arvamus denotes a view or belief, and arvamusele marks direction toward that opinion or reference to a particular viewpoint. The form is used most often in formal writing and public discourse to indicate that a statement, decision, or guideline is based on or in accordance with a specific opinion.
In practical use, arvamusele appears in phrases such as vastavalt arvamusele, meaning in accordance with the
Etymology and morphology: arvamusele is formed from the base arvamus (opinion) plus the Estonian allative suffix