seasickness Antonyms

balance ability to adjust one's balance ability to adjust to a difficult conditions ability to adjust to a new situation ability to keep balance ability to maintain balance on board ship ability to resist air sickness ability to travel by plane ability to walk steadily on a board ability to walk steadily on board freedom from air sickness physical fitness out and about frog legs boldness confidence faith firmness fortitude healthiness sea legs serious asymptomatic symptomless as healthy as a horse