Lofty
WordNet
adjective
(1) Of imposing height; especially standing out above others
"An eminent peak"
"Lofty mountains"
"The soaring spires of the cathedral"
"Towering icebergs"
(2) Having or displaying great dignity or nobility
"A gallant pageant"
"Lofty ships"
"Majestic cities"
"Proud alpine peaks"
(3) Of high moral or intellectual value; elevated in nature or style
"An exalted ideal"
"Argue in terms of high-flown ideals"- Oliver Franks
"A noble and lofty concept"
"A grand purpose"