noun

• (philosophy) Any of several doctrines that holds that all of reality is objective and exists outside of the mind.
  "Objectivism and subjectivism need each other to exist. Each defines itself in opposition to the other and sees the other as the enemy. Objectivism takes as its allies scientific truth, rationality, precision, fairness, and impartiality."
• (sometimes capitalized) The specific objectivist philosophy created by novelist Ayn Rand, endorsing logical reasoning and self-interest.
  "Ayn Rand, the guiding spirit of the philosophy of Objectivism and an advocate of “laissez faire capitalism,” endorsed Senator Goldwater as [“]the best of what is available.”"