future-proof
open-ended
preservable
persistable
commit
maintainable
permanently
for good
conservable
persist
futurable
lie
dispensable
sustainable
lasting
tick past
reverberate
retainable
last
final
preadaptive
color
repurpose
provisional
impermanent
ameliorable
if it ain't broke, don't fix it
indeterminate
keep up
retrocompetence
adaptive
Darwinian
determinizable
redesignable
reformattable
stand
retrofittable
steady-as-she-goes
outmode
neglectproof
replaceable
unabate
intransient
persistiveness
salvageable
lastingly
adaptativeness
elasticity
invariable
arrested decay
lastable
transtemporal
continuable
live to fight another day
atemporal
hyperpersist
unchange
ecoplastic
endure
unwasting
whatever happens, happens
renewable
redesignability
plant a seed
weather
mothballed
enduring
overhaulable
ongoing
stand pat
run adrift
dynamic
unephemeral
preserve
conserve
pave the way
reinventable
maintain
future
constant
reworkable
retrogreen
steady state
immarcescible
lay by
stand up
maintainableness
for keeps
amelioratingly