can-do

adjective Informal.

1. marked by purposefulness and efficiency: a can-do executive.

noun

2. the quality of being efficient and enthusiastic.

adjective

1. confident and resourceful in the face of challengesa can-do attitude

adj.

by 1952, from expression can do “it is possible,” literally “(I or we) can do (it),” 1903, perhaps based on earlier no can do (see no).