creditable

adj

1. Credible or believable.

   “Before receiving his testimony, the officer is required to ascertain from his own knowledge or by a creditable witness that he is a subscribing witness to the deed.”

   “A more creditable rumour concerned Valentino's hallmark killer glance ...”

2. That brings credit or honour; respectable.

   “The locomotive had been magnificently burnished at Norwich depot, with polished brasswork and red-painted coupling rods—all the more creditable, Dr. Allen adds, as it spent many months last winter in open store.”

3. That can be assigned; assignable.