kõrgendama tähendus null.

heighten [heightened, heightening, heightens]▼◼◼◼verb
[UK: ˈhaɪt.n̩] [US: ˈhaɪt.n̩]

elevate [elevated, elevating, elevates]▼◼◼◼verb
[UK: ˈe.lɪ.veɪt] [US: ˈe.lə.ˌvet]