The conviction, the absolute certainty that I was correct, gave me great confidence and convinced me to move forward with my plan.

What does conviction mean in the sentence above?

Which phrase is a synonym of 'Conviction' and helps to suggest its meaning?

In the sentence above, "conviction" refers to a strong and unwavering belief or certainty in one's correctness.

A synonym that helps suggest the meaning of "conviction" is "firm belief."