WordWeb Online

1. Summon into action or bring into existence, often as if by magic
   "invoke the spectre of unemployment";
   - raise, conjure, conjure up, evoke, stir, call down, arouse, bring up, put forward, call forth
    
2. Cite as an authority; resort to
   "He invoked the law that would save him"; "She invoked an ancient law";
   - appeal
    
3. Request earnestly (something from somebody); ask for aid or protection
   "Invoke God in times of trouble";
   - appeal

Derived forms: invoked, invoking, invokes

Type of: advert [rare], ask for, bespeak, bring up, call for, call up, cite, mention, name, quest, refer, request, summon

Encyclopedia: Invoke