Python 2.7.6 (default, Jun  3 2014, 07:43:23) 
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IPython 3.1.0 -- An enhanced Interactive Python.
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In [1]: from nltk.corpus import wordnet as wn
 
In [2]: wn.synsets('book')
Out[2]: 
[Synset('book.n.01'),
 Synset('book.n.02'),
 Synset('record.n.05'),
 Synset('script.n.01'),
 Synset('ledger.n.01'),
 Synset('book.n.06'),
 Synset('book.n.07'),
 Synset('koran.n.01'),
 Synset('bible.n.01'),
 Synset('book.n.10'),
 Synset('book.n.11'),
 Synset('book.v.01'),
 Synset('reserve.v.04'),
 Synset('book.v.03'),
 Synset('book.v.04')]
 
In [3]: wn.synsets('book', pos=wn.NOUN)
Out[3]: 
[Synset('book.n.01'),
 Synset('book.n.02'),
 Synset('record.n.05'),
 Synset('script.n.01'),
 Synset('ledger.n.01'),
 Synset('book.n.06'),
 Synset('book.n.07'),
 Synset('koran.n.01'),
 Synset('bible.n.01'),
 Synset('book.n.10'),
 Synset('book.n.11')]
 
In [4]: wn.synsets('book', pos=wn.VERB)
Out[4]: 
[Synset('book.v.01'),
 Synset('reserve.v.04'),
 Synset('book.v.03'),
 Synset('book.v.04')]
 
In [5]: wn.synset('book.n.01')
Out[5]: Synset('book.n.01')
 
In [6]: print(wn.synset('book.n.01').definition())
a written work or composition that has been published (printed on pages bound together)
 
In [7]: print(wn.synset('book.v.01').definition())
engage for a performance
 
In [8]: len(wn.synset('book.n.01').examples())
Out[8]: 1
 
In [9]: print(wn.synset('book.n.01').examples()[0])
I am reading a good book on economics
 
In [10]: len(wn.synset('book.v.01').examples())
Out[10]: 1
 
In [11]: print(wn.synset('book.v.01').examples()[0])
Her agent had booked her for several concerts in Tokyo
 
In [12]: wn.synset('book.n.01').lemmas()
Out[12]: [Lemma('book.n.01.book')]
 
In [13]: wn.synset('book.v.01').lemmas()
Out[13]: [Lemma('book.v.01.book')]
 
In [14]: [str(lemma.name()) for lemma in wn.synset('book.n.01').lemmas()]
Out[14]: ['book']
 
In [15]: [str(lemma.name()) for lemma in wn.synset('book.v.01').lemmas()]
Out[15]: ['book']
 
In [16]: wn.lemma('book.n.01.book').synset()
Out[16]: Synset('book.n.01')
 
In [17]: book = wn.synset('book.n.01')
 
In [18]: book.hypernyms()
Out[18]: [Synset('publication.n.01')]
 
In [19]: book.hyponyms()
Out[19]: 
[Synset('appointment_book.n.01'),
 Synset('authority.n.07'),
 Synset('bestiary.n.01'),
 Synset('booklet.n.01'),
 Synset('catalog.n.01'),
 Synset('catechism.n.02'),
 Synset('copybook.n.01'),
 Synset('curiosa.n.01'),
 Synset('formulary.n.01'),
 Synset('phrase_book.n.01'),
 Synset('playbook.n.02'),
 Synset('pop-up_book.n.01'),
 Synset('prayer_book.n.01'),
 Synset('reference_book.n.01'),
 Synset('review_copy.n.01'),
 Synset('songbook.n.01'),
 Synset('storybook.n.01'),
 Synset('textbook.n.01'),
 Synset('tome.n.01'),
 Synset('trade_book.n.01'),
 Synset('workbook.n.01'),
 Synset('yearbook.n.01')]
 
In [20]: book.member_holonyms()
Out[20]: []
 
In [21]: book.root_hypernyms()
Out[21]: [Synset('entity.n.01')]
 
In [22]: man = wn.synset('man.n.01')
 
In [23]: man.lemmas()
Out[23]: [Lemma('man.n.01.man'), Lemma('man.n.01.adult_male')]
 
In [24]: man.lemmas()[0]
Out[24]: Lemma('man.n.01.man')
 
In [25]: man.lemmas()[0].antonyms()
Out[25]: [Lemma('woman.n.01.woman')]

In [43]: cat = wn.synset('cat.n.01')
 
In [44]: dog = wn.synset('dog.n.01')
 
In [45]: man = wn.synset('man.n.01')
 
In [46]: woman = wn.synset('woman.n.01')
 
In [47]: hit = wn.synset('hit.v.01')
 
In [48]: kick = wn.synset('kick.v.01')
 
In [49]: cat.path_similarity(cat)
Out[49]: 1.0
 
In [50]: cat.path_similarity(dog)
Out[50]: 0.2
 
In [51]: man.path_similarity(woman)
Out[51]: 0.3333333333333333
 
In [52]: hit.path_similarity(kick)
Out[52]: 0.3333333333333333
 
In [53]: cat.lch_similarity(dog)
Out[53]: 2.0281482472922856
 
In [54]: man.lch_similarity(woman)
Out[54]: 2.538973871058276
 
In [55]: hit.lch_similarity(kick)
Out[55]: 2.159484249353372
 
In [56]: cat.wup_similarity(dog)
Out[56]: 0.8571428571428571
 
In [57]: man.wup_similarity(woman)
Out[57]: 0.6666666666666666
 
In [58]: hit.wup_similarity(kick)
Out[58]: 0.6666666666666666