Strength

Indicating Strength: must have, indispensable, powerful, essential, vital, crucial, critical, magnificent, vibrant, compelling, awesome, superb, explode, terrific, extremely, splendid, vital, necessary, requisite, obligatory, central, very important, essential, compulsory, indispensable, fundamental, imperative, mandatory, required, influential, commanding, prevailing, dominant, potent, significant, superior, overriding, governing, principal, major, noteworthy, considerable, superseding, overruling, dominant, prime, paramount, principal, main.