understand
/ˌən-dər-ˈstand/
verb
to grasp the meaning of
to grasp the reasonableness of
to have thorough or technical acquaintance with or expertness in the practice of
understand Russian
his behavior is hard to understand
understand comprehend appreciate mean to have a clear or complete idea of. understand and comprehend are very often interchangeable. understand may, however, stress the fact of having attained a firm mental grasp of something. comprehend may stress the process of coming to grips with something intellectually.
idiom
to cause (someone) to believe (something)
She was given to understand that the job was hers.
idiom
to not understand —often used when someone does not agree with something