explanativeadj.

a1500 (a1450) tr. Secreta Secret. (Ashm. 396) (1977) 73 Than þe roiall vertue explanatif, þat is in kynges of thair originall, gouerneth to 40 yere.

1643 R. More tr. J. Mede Key Revelation ii. 67 For the Hebrew vau and thence καὶ in the Scripture is a conjunction not onely Copulative, but also disjunctive, rationall, causall, ordinative, explanative [L. explanativa], as the reason of the sense requireth.

1674 G. Whitehead Quakers Plainness ii. ii. 68 See here how he and you have left out the very principal and explanative Part of the same Sentence.

1750 W. Warburton Julian ii. 181 What follows..is explanative of what went before.

1837 New Monthly Mag. 51 117 He grows more explicit and explanative.

1887 Public Opinion 28 May 168/2 This is followed by an explanative account, it can hardly be called a review, of Lafenstre's ‘Titian’.

1902 Brief 4 174 One's last will and testament no longer contains an explanative statement of the views of this life and the hereafter.

1975 Motor Boating & Sailing Feb. 4/2 I've found your articles to be explanative and interesting.

2009 Kirkus Rev. (Nexis) 15 Oct. The prose is remarkably explanative, if sometimes repetitious, and never weighed down by excessive scientific terminology.