Finally
Part of speech: adverb
Definition: At the end or conclusion; ultimately. To finish (with); lastly. Definitively, comprehensively.
Example sentence: When you finally accept that it's OK not to have answers and it's OK not to be perfect, you realize that feeling confused is a normal part of what it is to be a human being.
Eventually
Part of speech: adverb
Definition: In the end.(of a sequence) for some tail
Example sentence: Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality.