1. to make eternal or lasting; to preserve from oblivion or decay
Usage: chiefly British spelling; American English typically uses 'eternalize'; formal or literary
2. to make eternal in duration; to cause to last forever
Usage: formal or literary

Examples

• The artist sought to eternalise the beauty of the landscape through her paintings.
• Great literature has the power to eternalise the human experience across generations.
• The monument was built to eternalise the memory of those who fell in battle.
• Photographs help us eternalise precious moments with loved ones.
• The poet's words eternalise themes of love and loss that remain timeless.