ad. In a manner suitable for some particular purpose.
ad. In a manner convenient or advantageous at some particular time.
The Century Dictionary and Cyclopedia
In an opportune manner; seasonably; with opportunity of either time or place.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. at an opportune time
Word Usage
"When their ingenuity and industry failed them, the power of Christ came in opportunely for their relief; for he would take care that those who had left all for him should not want any good thing."