Boyd’s Bible Dictionary:
(going over). The word in Numbers 24:4,16, is an interjection, without a Hebrew equivalent. In Acts 10:10; 11:5; 22:17, an ecstasy is implied, which carried the subject beyond the usual limits of consciousness and volition.
Concise Bible Dictionary:
The word is ἔκστασις, “ecstasy,” in which, as it were, the mind is carried beyond the body. It is translated “astonishment” in Mark 5:42; and “amazement” in Acts 3:10. It is rendered “trance” when Peter had the vision of the sheet let down from heaven; and when Paul in the temple saw the Lord and heard Him speak to him (Acts 10:10; Acts 11:5; Acts 22:17). The same word is used in the LXX for the deep sleep of Adam and of Abram (Gen. 2:21; Gen. 15:12).