extremely valuable and essential, to the point that the true worth of something is immeasurable
inestimable
commanding great respect or fear due to having exceptional strength, excellence, or capabilities
formidable
allowed or acceptable according to established rules or standards
autorisé, permis
possessing the right to do or have something because of having the required qualifications
éligible
an unusual characteristic or mannerism that is peculiar or silly
marotte, manie
(of an illness or disease) capable of being successfully healed through medical treatment or therapy
soignable
having the potential of being done successfully
faisable, réalisable
capable of being changed or replaced with something of the same kind
fongible
(of a piece of writing) capable of being read or easily understood
lisible
easily influenced or open to suggestion and reccomendation
influençable
to argue over unimportant things or to complain about them
ergoter, chicaner
to continue speaking or writing in a lengthy, unfocused, or wandering manner without a clear or organized structure
radoter, divaguer
to mix up, distort, or confuse information, typically in a way that makes it difficult to understand or use
falsifier
to engage in water-related activities in a playful or casual manner
patauger, barboter
to confuse someone so they can no longer think clearly
brouiller, embrouiller