укрепявам означава в английски

enforce [enforced, enforcing, enforces]▼((obsolete in English) to strengthen)
verb
[UK: ɪn.ˈfɔːs] [US: en.ˈfɔːrs]

fortify [fortified, fortifying, fortifies]▼(increase the defenses of)
verb
[UK: ˈfɔː.tɪ.faɪ] [US: ˈfɔːr.tə.ˌfaɪ]