This is the 17630th most frequent Russian word.
убеждению
"Убеждению" means "conviction" or "belief" in English.
The word 'убеждению' is used here to indicate a strong belief or opinion of the subject.
По его убеждению, только настойчивость приводит к успеху.
In his conviction, only persistence leads to success.
Here, 'убеждением' is used to show the certainty or faith the teachers hold regarding the children's future.
Учителя относятся к воспитанию детей с убеждением в их светлом будущем.
Teachers approach educating children with a belief in their bright future.
In this context, 'убеждению' refers to the moral or personal principles guiding her actions.