tänka ut bedeutet auf Englisch

contrive [contrived, contriving, contrives]▼(To form by an exercise of ingenuity; to devise; to plan; to scheme; to plot)
verb
[UK: kən.ˈtraɪv] [US: kən.ˈtraɪv]

devise [devised, devising, devises]▼(use the intellect to plan or design)
verb
[UK: dɪ.ˈvaɪz] [US: dɪ.ˈvaɪz]