There are numerous synonyms for the phrase "more supportive," each with its own nuance. Some of the most common synonyms include encouraging, helpful, uplifting, reassuring, nurturing, comforting, inspiring, affirming, understanding, and sympathetic. Depending on the context, one of these words may be a better fit than "more supportive." For example, "encouraging" might be used when someone needs a boost to keep going on a difficult task, while "nurturing" might be more appropriate when describing a supportive family environment. Overall, using a variety of synonyms for "more supportive" can help add depth and richness to your writing or speech.