palliative and hortative

From this week's Time: "Obama is cool where George W. Bush seemed hot . . . palliative rather than hortative."

palliative noun
[from the Latin palliare, to cloak or conceal (a pallium is a cloak)]
to moderate the intensity of

hortative adj.
[from the Latin hortari, to urge. Recall the fellow in Ben-Hur who beat time for the oarsmen with his wooden mallets and the immortal line, "Hortator, ramming speed."]
giving exhortation (language intended to incite and encourage)