diff --git a/gtsam/discrete/DiscreteFactor.h b/gtsam/discrete/DiscreteFactor.h
index e2be94b94..edcfcb8a4 100644
--- a/gtsam/discrete/DiscreteFactor.h
+++ b/gtsam/discrete/DiscreteFactor.h
@@ -83,6 +83,9 @@ public:
   /// Find value for given assignment of values to variables
   virtual double operator()(const DiscreteValues&) const = 0;
 
+    /// Synonym for operator(), mostly for wrapper
+    double value(const DiscreteValues& values) const { return operator()(values); }
+
   /// Multiply in a DecisionTreeFactor and return the result as DecisionTreeFactor
   virtual DecisionTreeFactor operator*(const DecisionTreeFactor&) const = 0;
 
diff --git a/gtsam/discrete/DiscreteFactorGraph.h b/gtsam/discrete/DiscreteFactorGraph.h
index a8ba7ab03..06c52dd7b 100644
--- a/gtsam/discrete/DiscreteFactorGraph.h
+++ b/gtsam/discrete/DiscreteFactorGraph.h
@@ -130,8 +130,14 @@ public:
   /** return product of all factors as a single factor */
   DecisionTreeFactor product() const;
 
-  /** Evaluates the factor graph given values, returns the joint probability of the factor graph given specific instantiation of values*/
-  double operator()(const DiscreteValues & values) const;
+  /** 
+   * Evaluates the factor graph given values, returns the joint probability of
+   * the factor graph given specific instantiation of values
+   */
+  double operator()(const DiscreteValues& values) const;
+
+  /// Synonym for operator(), mostly for wrapper
+  double value(const DiscreteValues& values) const { return operator()(values); }
 
   /// print
   void print(