|Noah Webster's Dictionary|
(a.) Occurring in good time, in due season, or in proper time for the purpose; suitable to the season; opportune; timely; as, a seasonable supply of rain.
Seasonable (3 Occurrences)
Mark 6:21 And a seasonable day having come, when Herod on his birthday was making a supper to his great men, and to the chiefs of thousands, and to the first men of Galilee, (YLT)
Hebrews 4:16 Let us approach therefore with boldness to the throne of grace, that we may receive mercy, and find grace for seasonable help. (DBY YLT)
Hebrews 11:11 By faith also Sarah herself received strength for the conception of seed, and that beyond a seasonable age; since she counted him faithful who promised. (DBY)