Final answer:
The term that refers to the capability to complete a goal is 'attainable', which is part of the SMART goal criteria, ensuring that goals are realistic and achievable within a set timeframe.
Step-by-step explanation:
The term that refers to being able to complete a goal is b. attainable. When setting objectives, it's crucial to ensure they are realistic and within reach, considering your current resources and constraints. This concept is a key part of the acronym SMART, which stands for Specific, Measurable, Attainable, Relevant, and Time-bound.
Goals should not only be clear and measurable but also achievable and appropriate, meaning you should have a feasible plan for reaching them. It's important that goals are not only relevant to your aspirations but also set within a reasonable timeframe, making them timely. With an action plan that outlines the steps to achieve your SMART goals, you can set target dates and monitor your progress, increasing your chances of success.