- To call on (a higher power) for assistance, support, or inspiration: "Stretching out her hands she had the air of a Greek woman who invoked a deity" (Ford Madox Ford).
- To appeal to or cite in support or justification.
- To call for earnestly; solicit: invoked the help of a passing motorist.
- To summon with incantations; conjure.
- To resort to; use or apply: "Shamelessly, he invokes coincidence to achieve ironic effect" (Newsweek).
- Computer Science. To activate or start (a program, for example).
[Middle English envoken, from Old French invoquer, from Latin invocāre : in-, in; see in-2 + vocāre, to call.]
invoker in·vok'er n.




