Gravitational

/ˌɡrævɪˈteɪʃənl/

gravi·ta·tion·al

BrE /ˌɡrævɪˈteɪʃənl/

NAmE /ˌɡrævɪˈteɪʃənl/

connected with or caused by the force of gravity

a gravitational field

the gravitational pull of the moon