embolden — to give someone the courage or confidence to do something

an encouraging friend places a supportive hand on a nervous performer's shoulder while speaking reassuringly. The nervous performer clutches sheet music with trembling hands and looks toward the intimidating stage. After hearing the friend's encouraging words, the performer's posture straightens and their expression shifts from fear to determination. The performer takes a confident step forward toward the stage microphone. Other audience members smile warmly from their seats, creating a supportive atmosphere. someone being given the courage and confidence to do something they were afraid to attempt