Modernizable refers to something that can be improved or updated according to the latest standards and trends. So, what synonyms can be used to convey the same meaning? One could use the term upgradable, which implies the ability to be enhanced or renovated. Another suitable synonym is adaptive, which implies the ability to adjust to changing conditions. Alternatively, the term modifiable can be used, which suggests the capability to be altered or adjusted to suit contemporary needs. In addition, the term flexible is also an ideal synonym that implies the ability to be modified according to changing circumstances. Finally, the term contemporary can be used to describe something that is modernized or up-to-date.