1. call on - Verb
2. call on - Phrase
have recourse to or make an appeal or request for help or information to
Source: WordNetI call on people to be 'obsessed citizens,' forever questioning and asking for accountability. That's the only chance we have today of a healthy and happy life. Ai Weiwei
All who call on God in true faith, earnestly from the heart, will certainly be heard, and will receive what they have asked and desired. Martin Luther
Nothing brings me more happiness than trying to help the most vulnerable people in society. It is a goal and an essential part of my life - a kind of destiny. Whoever is in distress can call on me. I will come running wherever they are. Diana, Princess of Wales
Busy old fool, unruly Sun, Why dost thou thus, Through windows, and through curtains call on us? Must to thy motions lovers' seasons run? John Donne
It is easy to live for others; everybody does. I call on you to live for yourselves. Ralph Waldo Emerson
Call on God, but row away from the rocks. Hindi Proverb