ancillary
/ˈænsəˌɫɛɹi/
providing necessary support; supplementary
ancillary in a sentence
“Ancillary documentation may be helpful but isn't required.”
Origin of ancillary
Latin ancillaris relating to maidservants (from ancilla maidservant)
Related Words
predicate
to base something on; require as a precondition
entail
to involve something as a necessary consequence
stipulate
to specify as a condition or requirement
prerequisite
something required as a prior condition
contingent
dependent on something else; conditional
conditional
subject to one or more conditions being met