Modern Portfolio Theory is an investment strategy that aims to maximize returns while minimizing risk. It involves diversifying investments across a range of asset classes with different levels of risk and expected return. Some synonyms for Modern Portfolio Theory include Strategic Asset Allocation, Efficient Frontier, Portfolio Optimization, and Multi-Asset Investing. These terms all point to the same idea of constructing a portfolio of investments that will achieve the optimum balance between risk and reward based on an individual's investment objectives, risk tolerance, and time horizon. Other related terms include Behavioral Finance, Alternative Investments, and Risk Management, which are all important considerations in building a successful investment portfolio.