Analeptics are medications that stimulate the central nervous system and can be used to treat respiratory and cardiovascular depression. If you're looking for synonyms for the word "analeptics," some options might include stimulants, energizers, restoratives, or revivers. Other words that could convey a similar meaning might include boosters, invigorators, or rejuvenators. It's important to note, however, that specific medications or treatments might have various names depending on their intended use or the specific type of analeptic being used. As always, it's best to consult with a medical professional before beginning any new treatment.