There are several synonyms for the word "recliner" that can be used depending on the context. A popular synonym is "armchair", which usually refers to a soft and comfortable chair with armrests. Another synonym is "Lounger", which more often than not refers to a long, adjustable chair that can be used for sleeping or lounging. "Chaise lounge" is another synonym that is typically used for a long, upholstered chair with a backrest that can be adjusted to different angles. Another synonym is "rocking chair", which typically has curved legs that allow it to rock back and forth. Lastly, "relaxer" is a synonym that could be used for any comfortable chair that is designed to promote relaxation.