Volitional (adjective)

1. Relating to or controlled by the will or conscious decision-making process.
2. Having the power of conscious choice or decision.

Origin:

From latin volitio(n-), the stem of volitare 'to will, wish', from volare 'to fly'.

Examples:

1. The athlete's success was due to her volitional determination.
2. The patient's recovery was greatly helped by his volitional attitude.
3. The volitional nature of the process allowed the participants to make their own choices.
4. The volitional control of the muscles is essential for normal movement.
5. The volitional decisions made by the company were based on long-term strategic goals.