INSTRUCTIVE
instructive, informative
(adjective) serving to instruct or enlighten or inform
Source: WordNet® 3.1
Etymology
Adjective
instructive (comparative more instructive, superlative most instructive)
Conveying knowledge, information or instruction.
Synonyms
• (Conveying knowledge, information or instruction): informative, educative, didactic
Noun
instructive (plural instructives)
(linguistics) A case in the Finnish language. It expresses the means or the instrument used to perform an action.
Source: Wiktionary
In*struct"ive, a. Etym: [Cf. F. instructif.]
Definition: Conveying knowledge; serving to instruct or inform; as,
experience furnishes very instructive lessons. Addison.
In various talk the instructive hours they past. Pope.
– In*struct"ive*ly, adv.
– In*struct"ive*ness, n.
The pregnant instructiveness of the Scripture. Boyle.
Source: Webster’s Unabridged Dictionary 1913 Edition