marinate
US /ˌmer.əˈneɪd/
UK /ˌmer.əˈneɪd/

1.
2.
(of a person) remain immersed in a particular state or activity.
:
•
He likes to marinate in his thoughts before making a decision.
•
Let the ideas marinate for a while before discussing them.
(of a person) remain immersed in a particular state or activity.