Standard Lemma guide

ascertainable

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ˌæsəˈteɪnəbl̩/
  • General-American: /ˌæsɚˈteɪnəbl̩/

1

adj

Meaning 1

Able to be ascertained.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective satellite

Meaning 2

capable of being ascertained or found out

Definition source: Princeton WordNet 3.0

Examples

  • ascertainable facts

Meaning relationships

Synonyms: discoverable

Antonyms: none provided

History

Etymology

Etymology tree English ascertain Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English ascertainable From ascertain + -able.

Across languages

Translations

6 source translations are retained for this English entry.

  • German: ermittelbar — able to be ascertained
  • Polish: stwierdzalny — able to be ascertained
  • Portuguese: averiguável — able to be ascertained
  • Portuguese: determinável — able to be ascertained
  • Spanish: averiguable — able to be ascertained
  • Spanish: determinable — able to be ascertained