"were for" is the trio of words that has several synonyms based on the context of its usage. "Intended," "designed," "proposed," and "purposed" are a few words that can be used when implying an initial idea. When indicating support for someone or something, "advocate," "champion," "back," and "endorse" can be used as synonyms. For the purpose of interchanging the word "were" in passive voice constructions in the past tense, "became," "transformed into," "turned into," and "evolved into" might be used. All synonyms for "were for" have different meanings, but the connection can sometimes be subject to interpretation, depending on how they are used.