Synonyms for Up to:

adj.

eligible (adjective)
equal to, capable of.

adv

while (adverb)
in the meantime, till, in the course of, meantime, for the time being, all along, often, yet, During, meanwhile, for now, up until, always, throughout.

adv.

meanwhile (adverb)
meantime, Until, in the meantime, for the time being, till, for now.
while (adverb)
in the meantime, till, in the course of, meantime, for the time being, all along, often, yet, During, meanwhile, for now, up until, always, throughout.

n.

scheming, Doing. preceding, previous, Until, before. ability, equal. equal to (noun)
competent, able, capable of.
up to (noun)
adequate to, busy, adequate, equal to, capable.

prep.

until (preposition)
before.

Other synonyms:

equal. till
Until.
Other relevant words:
able, Until, equal, equal to, capable, scheming, adequate, busy, competent, capable of, adequate to, before.