undertake

verb

un·der·take | \ ˌən-dər-ˈtāk

undertook\ ˌən-dər-ˈtu̇k

\; undertaken\ ˌən-dər-ˈtā-kən

\; undertaking

Definition of undertake

1 : to take upon oneself : set about : attempt undertake a task undertake to learn to swim

2 : to put oneself under obligation to perform also : to accept as a charge or responsibility the lawyer who undertook the case

3 : guarantee, promise readily undertook that the letter should be securely conveyed— Sir Walter Scott

archaic : to give surety or assume responsibility