believe

verb
be*lieve \ bə-ˈlēv \
before 12th century{ds|i|1|b|}
  • to consider to be true or honest
  • to accept the word or evidence of
  • to hold as an opinion : suppose

believe in

phrasal verb
believe in \
  • to have faith or confidence in the existence of (something)
  • to have trust in the goodness or value of (something)
  • to have trust in the goodness or ability of (someone)

believe it or not

idiom
believe it or not \
  • —used to suggest that the listener will be surprised

believe one's eyes/ears

idiom
believe one's eyes/ears \
  • —used in negative statements to indicate being surprised at or upset by something seen or heard

make-believe:1

noun
make-be*lieve \ ˈmāk-bə-ˌlēv \
1794
  • a pretending that what is not real is real

make-believe:2

adjective
make-believe \
1806
  • imaginary, pretended

a world of make-believe

noun phrase
a world of make-believe \
  • an unreal world : a state of believing things that are not true

can't believe

idiom
can't believe \
  • —used to emphasize a statement
  • —used to indicate surprise, dismay, or disappointment

don't you believe it

idiom
don't you believe it \
  • —used to emphasize that one should not believe a statement or sentiment

if you believe that, you'll believe anything

idiom
if you believe that, you'll believe anything \
  • —used sarcastically to discredit the speaker or a statement
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