take something under advisement
US /teɪk ˈsʌmθɪŋ ˈʌndər ədˈvaɪzmənt/
UK /teɪk ˈsʌmθɪŋ ˈʌndər ədˈvaɪzmənt/

1.
to consider something carefully before making a decision
:
•
The committee will take your proposal under advisement and get back to you next week.
•
I'll take that under advisement, but I can't promise anything right now.