Idioms and Phrases with so as to
so as to
In order to, as in We took off our shoes so as to avoid scratching the newly finished floors. This idiom is always followed by an infinitive. For a synonym, see in order to, def. 5.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.