It's often used in formal or professional settings to imply thoughtful consideration before making a decision. Thank you for your suggestion; we will take it under advisement and respond shortly.
Pro Tip 2/3
No Immediate Answer
This phrase indicates that one will not provide an immediate response but will consider the matter. Your concerns are valid and I'll take them under advisement before we proceed.
Pro Tip 3/3
Possible Deliberation
It implies there will be a period of deliberation, possibly involving other people's opinions. The committee will take the feedback under advisement before finalizing the guidelines.