Pronunciation: /ˈriːzən tuː bɪˈliːv/
noun a word that represents a person, place, thing, or idea
A1 I have a reason to believe that it will rain today.
A2 She had reason to believe that her friend was lying to her.
B1 There is reason to believe that the new project will be successful.
B2 The evidence provided gives us reason to believe that the suspect is guilty.
C1 After analyzing all the data, there is strong reason to believe that climate change is real.
C2 The expert's testimony provided irrefutable reason to believe that the defendant was innocent.
verb a word that expresses an action or state of being
A1 I have reason to believe that my friend will come to the party.
A2 She has reason to believe that the new restaurant is good.
B1 The evidence presented gives us reason to believe that the suspect is guilty.
B2 After analyzing the data, there is reason to believe that the project will be successful.
C1 The extensive research conducted provides ample reason to believe that climate change is a pressing issue.
C2 With all the information gathered, there is strong reason to believe that the company will expand its operations.
preposition a word that shows the relationship between a noun (or pronoun) and other words in a sentence
A1 I have reason to believe that it will rain today.
A2 She has reason to believe that her friend will come to the party.
B1 There is reason to believe that the suspect is innocent.
B2 The evidence presented in court gives us reason to believe that the defendant is guilty.
C1 After analyzing all the data, there is strong reason to believe that the company will be profitable next year.
C2 Based on the expert's analysis, there is no reason to believe that the new drug will have any negative side effects.
article a word that is used to specify a noun, indicating the type of reference being made
A1 I have reason to believe that the sun will rise tomorrow.
A2 There is reason to believe that she will pass the exam.
B1 The evidence presented gives us reason to believe he is guilty.
B2 After reviewing all the facts, there is strong reason to believe the project will be successful.
C1 There is compelling reason to believe that climate change is a serious threat.
C2 Based on the data collected, there is no reason to believe the theory is incorrect.
formal Based on the evidence presented, there is reason to believe that the defendant is guilty.
informal I have reason to believe that she is lying about her whereabouts last night.
slang I got a gut feeling that there's reason to believe he's up to no good.
figurative The dark clouds gathering in the sky gave us reason to believe that a storm was approaching.
had reason to believe
reasons to believe
more reason to believe
most reason to believe
have reason to believe
will have reason to believe
have had reason to believe
having reason to believe
reason to believe
strong reason to believe
to have reason to believe
believing for a reason
having a reason to believe