firm
stable
Usage
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affirmation
An affirmation is a declaration or confirmation that something is true.
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infirmity
A patient who is plagued by infirmity is weak in body or ill in health.
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affirmative
affirming or giving assent
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confirm
establish or strengthen as with new evidence or facts
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confirmation
additional proof that something that was believed (some fact or hypothesis or theory) is correct
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firmament
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
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infirm
lacking bodily or muscular strength or vitality
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infirmary
a health facility where patients receive treatment
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reaffirm
affirm once again
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reaffirmation
renewed affirmation
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reconfirm
confirm again
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unconfirmed
not finally established or settled
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