What is another word for tier up?
Pronunciation: [tˈi͡əɹ ˈʌp] (IPA) 
The phrase "tier up" typically means to move up from one level or tier to another, often in a hierarchical context. There are several different synonyms that can be used to convey a similar meaning. For example, "advance," "progress," or "move up" all suggest movement from one level to another. "Promote," "elevate," or "upgrade" often imply a more intentional action taken to move to a higher level. "Ascend," "climb," or "rise" could be used to suggest a more gradual process of moving upward. Regardless of which synonym is used, they all convey a sense of moving up to a higher level or position.
