Slainte is a Gaelic term used to express good health or cheers while drinking. While it is a common word, there are several synonyms you can use to express the same sentiment. For example, if you want to express cheers in French, "à votre sante" is a common phrase. Other synonyms for slainte include "prost" in German, "na zdravi" in Czech, "salud" in Spanish, and "kippis" in Finnish. Each of these phrases reflects the culture and language of the countries they come from and all share the common theme of wishing good health and wellbeing to the person being toasted.