Invocable

[in-vohk] /ɪnˈvoʊk/

verb (used with object), invoked, invoking.
1.
to call for with earnest desire; make supplication or pray for:
to invoke God’s mercy.
2.
to call on (a deity, Muse, etc.), as in prayer or supplication.
3.
to declare to be binding or in effect:
to invoke the law; to invoke a veto.
4.
to appeal to, as for confirmation.
5.
to petition or call on for help or aid.
6.
to call forth or upon (a spirit) by incantation.
7.
to cause, call forth, or bring about.
/ɪnˈvəʊk/
verb (transitive)
1.
to call upon (an agent, esp God or another deity) for help, inspiration, etc
2.
to put (a law, penalty, etc) into use: the union invoked the dispute procedure
3.
to appeal to (an outside agent or authority) for confirmation, corroboration, etc
4.
to implore or beg (help, etc)
5.
to summon (a spirit, demon, etc); conjure up
v.

late 15c., from Middle French envoquer (12c.), from Latin invocare “call upon, implore,” from in- “upon” (see in- (2)) + vocare “to call,” related to vox (genitive vocis) “voice” (see voice (n.)). Related: Invoked; invoking.