Good / Strong
sober - Serious and thoughtful in mood or behavior, not playful or exaggerated; or not under the influence of alcohol or drugs; clear-minded.
It was a year since he gave up drinking and had decided to remain sober all the time, and it took strength to just walk past the bar.
resounding - Referring to something that is striking, definite, or leaves a strong impression, such as a victory or success.
The season concluded with a resounding victory, with the team winning by a margin so large it left no doubt about their superiority.
regimented - Referring to something that is arranged in a highly structured or ordered manner, often with little room for flexibility or deviation.
He was determined to lose weight, and he realized that he could accomplish this only with a regimented approach to exercize and diet.