Hesitate : pause in indecision before saying or doing something.Proud : feeling deep pleasure or satisfaction as a result of one's own achievements, qualities, or possessions or those of someone with whom one is closely associated.Confident : feeling or showing confidence in oneself or one's abilities or qualities.Certain : able to be firmly relied on to happen or be the case.Reluctant : unwilling and hesitant; disinclined.Antonym of Hesitate is Certain