The best replacement for theory is hypothesis.

The best alternatives to theory are rated as following:
★★★★★  hypothesis
★★★★★  law
★★★  practice
★★★  fact
★★  model
★  philosophy
★  theory
★  scientific theory
★  relativity
★  research
★  theorem
★  salad bowl theory
  concept
  application
  scientific law
  paradigm
  law of gravity
  dependency theory
  creation
  principle
  vygotsky\u0027s theory
  perspective
  law definition
  epigenetic theory
  belief
  lien theory
  conceptual framework
  practice education
  law science
  hypothesis example
  thesis
  title theory
  abiogenesis
  praxis
  practical
  functionalism
  capm
  waiting line theory

Your alternative for theory is not listed? Suggest!
Speaking about theory, one probably shouldn't forget about practice.

Other search terms related to theory and their ratings are:
★★★★★ practice
★★ data
★ action
★ measurement
cat in the box
research
hypothesis
clinical practice
practice is
mathematics
You have in mind a companion for theory and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of theory in all years. Click on graph for more.
theory
hypothesis
law