ilaistuivat

ilaistuivat is a Finnish verb. It is the third-person plural past active indicative form of the verb ilaistua. The verb ilaistua means to be pleased, to be glad, or to be delighted. Therefore, ilaistuivat translates to "they were pleased," "they were glad," or "they were delighted" in English. This form is used when referring to a group of people or things that experienced a feeling of happiness or contentment in the past. For example, "Lapset ilaistuivat lahjoista" means "The children were delighted by the presents." The verb conjugation in Finnish is highly systematic, and ilaistuivat follows the standard pattern for past tense plural forms.