obsolete
Pertinent, related.
Analytical, intelligent, pertinent, etc.
Pertinent.
suitable, fitting, relevant, apt, pertinent, befitting, well-suited
the closest synonym for extend would be bigger or longer cause if your ganna extend something your going to make it bigger or longer.
The similar synonym is "medication."
pertinent to.
The prefix of "pertinent" is "per-".
The details included had to be pertinent to our topic.
Appropriate, proper, meet, fitting, fit, befitting, seemly, right, adequate, apt, qualified, cut out for, becoming, apropos, worthy, applicable, congruous, seasonable, relevant, pertinent, germane, commensurate.
I have no idea, but what is ''pertinent history''?
Postindustrial: of or relating to an economy that no longer relies on heavy industry.