When we want to justify something we say or do, we often use certain phrases or words that reflect our reasons and arguments. It's important to be aware of different synonyms for the phrase "in justification of something" to have more clarity and impact in our speech and writing. Some alternatives include "to support," "to validate," "to defend," "to rationalize," "to explain," "to warrant," "to excuse," and "to vindicate." Each of these terms conveys a slightly different meaning, so it's worth considering which one fits the situation best. By using varied synonyms, we can avoid repetition and make our statements more persuasive and effective.