"Corroborative" is a word in ENGLISH

corroborative ENGLISH
Definition:

Tending to strengthen of confirm.

corroborative ENGLISH
Definition:

A medicine that strengthens; a corroborant.

Few words of positivity

If you your lips would keep from slips Five things observe with care To whom you speak of whom you speak And how and when and where.

W. E. Norris

WORD SUGGESTIONS
Laugh your heart out.

When does a hamburger wear a look like a smile button?When somebody says, 'Well done'!

corroboratory ENGLISH

Tending to strengthen; corroborative; as, corroboratory facts.

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