основательность

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Russian

Etymology

основа́тельный (osnovátelʹnyj) +‎ -ость (-ostʹ)

Pronunciation

Noun

основа́тельность (osnovátelʹnostʹf inan (genitive основа́тельности, nominative plural основа́тельности, genitive plural основа́тельностей)

  1. thoroughness
  2. soundness, well-foundedness

Declension