Dictionary.com
Thesaurus.com
Synonyms

look into

Idioms  

  1. Also, see into. Investigate, as in He promised to look into the new law, or We must see into the matter of the missing checks. The first term dates from the late 1500s, the variant from the mid-1800s.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.