The phrase "eventually be" suggests that there will be a time in the future when something will occur. Some synonyms for this phrase include "in due time," "over time," "in the end," "inevitably," "gradually," and "someday." Each of these phrases emphasizes the idea of a process that will happen over time, rather than an instantaneous change. They also give the impression that the outcome is certain, but the timing may be uncertain or unspecified. Whether you use "eventually be" or one of these synonyms, the idea remains the same - that something will happen, but we just need to wait for it.