confident
adj.adj. feeling sure about your own abilities or certain that something will happen. You feel this way when you trust yourself to do a good job.
adj. feeling or showing self-assurance and belief in one's own abilities; alternatively, expressing a high degree of certainty regarding a specific outcome.
She feels confident that she will pass the exam.
The manager was confident in her team's ability to meet the deadline despite the recent setbacks.
A confident speaker maintains steady eye contact and a clear tone, which helps the audience trust the information being presented during the lecture.
From Middle French confident, from Latin confidens (“confident, i.e. self-confident, in a good or bad sense, bold, daring, audacious, impudent”), present participle of confidere (“to trust fully, confide”). See confide.
Often takes the preposition 'in' when referring to a person or 'of' / 'that' when referring to a fact.
I am confident for my successI am confident of my successWhen expressing certainty about a result, the adjective typically takes 'of' or 'about', not 'for'.