The antonyms for "more declined" are "increased," "enhanced," and "elevated." These words suggest an upward movement or improvement, in contrast to the downward trend implied by "declined." "Increased," for instance, denotes an upsurge in quantity, number, or intensity. "Enhanced" connotes an amplified quality, effect, or performance. It suggests something has been made better or superior. "Elevated" pertains to a higher position or state, as in raising something to a new level of development, understanding or prestige. Therefore, using appropriate antonyms for "more declined" can effectively convey a positive, affirmative message to readers or listeners.