Pacific (adj.) peaceful in character or intent
Solution (n.) late 14c., “a solving or being solved,” from Old French solucion “division, dissolving; explanation; payment” or “a loosening or unfastening,” a noun of action…
“For years inventions have extended man’s physical powers rather than the powers of his mind… instruments are at hand which… will give man access to and command over the inherited knowledge of the ages. The perfection of these pacific instruments should be the first objective of our scientists…”
— preface to Vannevar Bush’s 1945 essay ‘As We May Think’