We have put together a list of words that are similar to CALLBACK.

3 Alternative Words Similar to callback

1 Recall Noun      Synonym Words Like Recall
2 Asking Noun      Synonym Words Like Asking
3 Request Noun      Synonym Words Like Request

9 definitions of callback

1 The act or an instance of calling back from one location or situation to the previous one: a callback of laid-off auto workers.
2 A return telephone or radio call.
3 A recall of a recently sold product by the manufacturer to correct a defect.
4 The return of a situation to a previous position or state.
5 A return telephone or radio call; especially one made automatically to authenticate a logon to a computer network
6 A product recall because of a defect or safety concern.
7 A function pointer passed to another function that the latter can call for notification purposes.
8 a follow-up audition (casting)
9 a joke which references an earlier joke in the same routine
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide