This is the 947th most frequent Ukrainian word.
переконаний
Convinced.
Here, "переконаний" is an adjective that indicates a state of assurance or firm belief about a fact or decision.
Я переконаний, що це правильне рішення.
I am convinced that this is the right decision.
In this case, "переконаний" is used as an adjective introducing or emphasizing the speaker's belief about the participants' preparation.
Переконаний, що всі участники підготувалися добре.
Convinced, all participants prepared well.
Here, "переконаний" is used to describe someone's firm support or belief in a particular ideology or principle.