Definition of ponderable in English:
 ponderable
adjective ˈpɒnd(ə)rəb(ə)lˈpɑndərəbəl
literary Having appreciable weight or significance.
 Example sentencesExamples
-  To me the strangest aspect of randomness is its role as a link between the world of mathematical abstraction and the universe of ponderable matter and energy.
 -  On the contrary, it made the future less ponderable than it had been since the 1930s.
 -  It is a dense and ponderable epic with Stipe asking: ‘I used to think as birds take wing/they sing through life, so why can't we?’
 -  Two years later these soul supporters of the Chinook formed the Chinook Owners Association and dedicated themselves to reviving Walden's ponderable vision.
 -  Thanks for your excellent site, which provides enough ponderable reading to have my brother ‘addicted’ to science, and keeps him from doing work all week.
 
Origin
  
Mid 17th century: from late Latin ponderabilis, from ponderare 'weigh, reflect on' (see ponder).
   Definition of ponderable in US English:
 ponderable
adjectiveˈpɑndərəbəlˈpändərəbəl
literary Having appreciable weight or significance.
 Example sentencesExamples
-  Two years later these soul supporters of the Chinook formed the Chinook Owners Association and dedicated themselves to reviving Walden's ponderable vision.
 -  It is a dense and ponderable epic with Stipe asking: ‘I used to think as birds take wing/they sing through life, so why can't we?’
 -  To me the strangest aspect of randomness is its role as a link between the world of mathematical abstraction and the universe of ponderable matter and energy.
 -  Thanks for your excellent site, which provides enough ponderable reading to have my brother ‘addicted’ to science, and keeps him from doing work all week.
 -  On the contrary, it made the future less ponderable than it had been since the 1930s.
 
Origin
  
Mid 17th century: from late Latin ponderabilis, from ponderare ‘weigh, reflect on’ (see ponder).