The phrase "was applicable" can be replaced with a number of synonyms to express the same meaning. Some of the possible synonyms for "was applicable" include "was relevant," "was appropriate," "was pertinent," "was suitable," "was fitting," and "was compatible." These alternatives can be used interchangeably to convey the idea that something was appropriate or relevant to a particular situation or context. By using these synonyms, speakers and writers can vary their language and create more nuanced expressions that communicate a precise meaning. In academic and professional writing, using synonyms for common phrases and expressions can also help to avoid repetition and make the text more engaging and interesting to read.