1) Feasible 2) Possible 3) Practicable 4) Viable 5) Virus carrier, often 6) Workable 1) Feasible 2) Possible 3) Viable 4) Workable 
In computing, an executable file or executable program, or sometimes simply an executable, causes a computer `to perform indicated tasks according to encoded instructions,` as opposed to a data file that must be parsed by a program to be meaningful. These instructions are traditionally machine code instructions for a physical CPU. However, in a .....
• (a.) Capable of being executed; feasible; as, an executable project.
Ex'e·cu`ta·ble adjective Capable of being executed; feasible; as, an executable project. [ R.]