Synonyms for Visible (same or very similar meaning)
WordNet sense 1 (able to be seen):
visual
WordNet sense 2 (capable of being seen; or open to easy view):
seeable
WordNet sense 3 (open and observable; not secret or hidden):
open
WordNet sense 4 (obtainable or accessible and ready for use or service):
available
From the ODE community, based on WordNet
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