The definition of invoke is to call on someone or something to help or inspire you.(verb)
An example of invoke is trying to contact someone who died.
To invoke is defined as to emotionally ask for something.(verb)
An example of to invoke is a charity group asking for money.
Invoke means to put something to use.(verb)
An example of to invoke is to use city code to argue a disagreement with a policeman.
See invoke in Webster's New World College Dictionary
Origin: ME invoken < MFr invoquer < L invocare < in-, in, on + vocare, to call < vox, voice
See invoke in American Heritage Dictionary 4
transitive verb in·voked, in·vok·ing, in·vokes
Origin: Middle English envoken
Origin: , from Old French invoquer
Origin: , from Latin invocāre
Origin: : in-, in; see in-2
Origin: + vocāre, to call; see wekw- in Indo-European roots.
Learn more about invoke