take it upon/on oneself
Definition of take it upon/on oneself
: to do something that needs to be done even though no one has asked one to do it Thank you for taking it upon yourself to organize the meeting.
Word by Word Definitions
: to get into one's hands or into one's possession, power, or control: such as
: to seize or capture physically
: to get possession of (fish or game) by killing or capturing
: a distinct or personal point of view, outlook, or assessment
: a distinct treatment or variation
: an act or the action of taking: such as
: on the surface : on it
: thereafter, thereon
: one's normal, healthy, or sane condition or self
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