english
1
general::
Phrase(s): see someone into something [and] see someone in to usher or accompany someone into something or some place. • Please see her into the room and make sure she is seated where she can hear the speaker. • Please see in the speaker and make sure she finds her seat on the stage.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. Investigate; see LOOK INTO. 2. Understand the true character or nature of, as in Mother could see into Mary very well and knew exactly what she was up to. Shakespeare used this idiom in 2 Henry VI (3:1): "Well hath your Highness seen into this duke."
American Heritage Idioms