Verb
call upon (third-person singular simple present calls upon, present participle calling upon, simple past and past participle called upon)
Alternative form of call on (certain senses).
Ainger, pp. 225–26 Carte soon saw that Ida was running weakly at the box office and invoked the agreement to call upon his partners to write a new opera. Source: Internet
AP — If Iran decides to follow through on its vow of harsh retaliation for the killing of its top general, it can call upon heavily armed allies across the Middle East that are within easy striking distance of US forces and American allies. Source: Internet
All religions call upon us to protect Mother Earth.” Source: Internet
Atiku added: “We must call upon our experience with the Wild Ebola Virus, of which we were the first nation in the world to defeat that scourge in 2014. Source: Internet
Because of NWC's privileged location close to the White House, the Supreme Court, and Capitol Hill, it has been able throughout its history to call upon an extraordinarily well-connected array of speakers to animate its discussions. Source: Internet
Further, the Bar Association has been asked to call upon the Learned Members not to remain in the Court premises once their work is over. Source: Internet