|1.||the reason for which anything is done, created, or exists|
|2.||a fixed design, outcome, or idea that is the object of an action or other effort|
|3.||fixed intention in doing something; determination: a man of purpose|
|4.||practical advantage or use: to work to good purpose|
|5.||that which is relevant or under consideration (esp in the phrase to or from the purpose)|
|7.||on purpose intentionally|
|8.||to intend or determine to do (something)|
|[C13: from Old French porpos, from porposer to plan, from Latin prōpōnere to |
Deliberately, intentionally, as in He left the photo out of the story on purpose. Shakespeare's use of this idiom was among the earliest; it appears in The Comedy of Errors (4:3): "On purpose shut the doors against his way."
accidentally on purpose. Seemingly accidentally but actually deliberately, as in She stepped on his foot accidentally on purpose. This generally jocular phrase was first recorded in 1862.