open to question

[an action or opinion] inviting question, examination, or refutation. Everything he told you is open to question and you should look into it.

Name	Pronounced	Usage
Bacchus	BAK-əs (English)	Greek Mythology (Latinized)
Warrick	WAWR-ik, WAHR-ik	English (Rare)
Janna	YAHN-nah (Dutch, Finnish), JAN-ə (English)	Dutch, Swedish, Finnish, English
Stafford	['stæfəd]
Reidun	-	Norwegian
Kassy	KAS-ee	English (Modern)