speculazione bedeutet auf Englisch

speculation [speculations]▼(business, finance: investment involving higher-than-normal risk)
noun
[UK: ˌspe.kjʊ.ˈleɪʃ.n̩] [US: ˌspe.kjə.ˈleɪʃ.n̩]That's pure speculation. = È pura speculazione.

adventure [adventures]▼(mercantile or speculative enterprise of hazard)
noun
[UK: əd.ˈven.tʃə(r)] [US: æd.ˈven.tʃər]

presupposition [presuppositions]▼(assumption, conjecture, speculation or something supposed without proof)
noun
[UK: ˌpriː.sʌ.pə.ˈzɪʃ.n̩] [US: ˌpri.sə.pə.ˈzɪʃ.n̩]