Synonyms and related words :
beck, beck and call, behest, bid, biddance, call, calling, calling forth, charge, command, commandment, convocation, demand, dictate, dictation, direct order, direction, engraved invitation, evocation, hest, imperative, indent, injunction, instruction, invitation, invite, invocation, mandate, nod, order, pleasure, preconization, requisition, say-so, special order, summoning, summons, will, word, word of command