Table of Contents WORDNET DICTIONARY
THESAURUS

RELATED WORDS : bell-like call bugle call call call at call attention call attention to call back call box call center call centre call down call fire call for call forth call forwarding call girl call in call into question call it a day call it quits call loan call mark call number call off call on the carpet call one's bluff call option call out call the shots call the tune call to order call up call waiting close call collect call conference call crank call curtain call distress call function call local call long-distance call mail call margin call muster call on call phone call port of call roll call salafast group for call and combat service call sick call siren call supervisor call instruction system call telephone call toll call trunk call two-note call wake-up call

WORDNET DICTIONARY

Verb call on has 1 sense

• call on(v = verb.communication) turn - have recourse to or make an appeal or request for help or information to; "She called on her Representative to help her"; "She turned to her relatives for help"
is one way to appeal, invoke
Sample sentence:
They call on him to write the letter

THESAURUS

call on

adjure, advocate, appeal, appeal to, apply to, beg, beseech, bid, blandish, cajole, call for help, call the signals, call upon, charge, circulate a petition, clamor for, coax, command, commission, conjure, crave, cry for, cry on, cry to, declare, decree, dictate, direct, drop in, enjoin, entreat, exhort, give an order, give the word, high-pressure, impetrate, implore, importune, imprecate, insist, insist upon, instruct, invoke, issue a command, issue a writ, jawbone, kneel to, lobby, look in, mandate, memorialize, nag, obtest, ordain, order, order about, pay a visit, petition, plead, plead for, plead with, pray, prefer a petition, press, pressure, proclaim, promulgate, pronounce, push, recommend, rule, run in, run to, say the word, see, sign a petition, soft-soap, stop by, stop off, stop over, sue, supplicate, sweet-talk, urge, visit, wheedle, work on

For further exploring for "call on" in Webster Dictionary Online