energy

[1]	vitality , free energy , forcefulness , vivacity , liveliness , vigour , animation , spirit , force , dynamism , drive , verve , dash , intensity , power , determination , puissance , strength , might , (Colloq) pep , vim and vigour , (US) stick-to-it-iveness , get-up-and-go , zip , zing
[2]	vigor , vigour , zip
[3]	push , get-up-and-go
[4]	muscularity , vigor , vigour , vim
[5]	vim , vitality
[6]	Department of Energy , Energy Department , DOE