definition of
[theorize]

[1] #1 theorize v. [speculate, theorise, conjecture, hypothesize, hypothesise, hypothecate, suppose] to believe especially on uncertain or tentative grounds; "Scientists supposed that large dinosaurs lived in swamps". wn

[2] #2 theorize v. construct a theory about; "Galileo theorized the motion of the stars". wn

[3] #3 theorize v. form or construct theories; "he thinks and theorizes all day". wn