The phrase “reminded myself” means to cause oneself to remember something. A synonym for this could be “prompted myself”. “Prompted” implies giving oneself a cue or nudge to recall something. For example, “I prompted myself to finish the task before the deadline.”
Another synonym is “recollected by myself”. “Recollected” means to remember or recall something. Adding “by myself” emphasizes that it was a self-initiated act of remembering. For instance, “I recollected by myself the important details of the meeting.”
“brought to mind by myself” is also a good synonym. This phrase suggests that one actively brings something to one’s own consciousness. For example, “I brought to mind by myself the happy memories of our vacation.”
All of these synonyms for “reminded myself” convey the idea of intentionally making an effort to remember something through self-initiated actions.