cautionner bedeutet auf Englisch

bail out▼◼◼◼(To secure the release of an arrested person)
verb
[UK: beɪl ˈaʊt] [US: ˈbeɪl ˈaʊt]

forewarn [forewarned, forewarning, forewarns]▼(to warn in advance)
verb
[UK: fɔː.ˈwɔːn] [US: fɔːr.ˈwɔːrn]