Open to passage or entrance; permeable.(adjective)
Open to arguments, ideas, or change; approachable.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "pervious" in a sentence
"Page 392, "Sir John Herschel's previous communication": 'pervious' in original."
"It's unclear if the alleged conspiracy is directly linked to the pervious terrorism warnings, however."
"The walls were even more pervious to a driving rain."