|Noah Webster's Dictionary|
1. (a.) Useful; durable; adapted to any good end use; beneficial; advantageous.
2. (a.) Prepared for rendering service; capable of, or fit for, the performance of duty; hence, active; diligent.
Serviceable (3 Occurrences)
2 Timothy 2:21 If therefore one shall have purified himself from these, in separating himself from them, he shall be a vessel to honour, sanctified, serviceable to the Master, prepared for every good work. (DBY)
2 Timothy 4:11 Luke alone is with me. Take Mark, and bring him with thyself, for he is serviceable to me for ministry. (DBY)
Philemon 1:11 once unserviceable to thee, but now serviceable to thee and to me: (Root in DBY)