momentous, utter, vast
Structural
Of or relating to construction or to architecture
Of, relating to, or caused by large-scale movements of the Earth's (or a similar planet's) lithosphere
Very important.
Invigorating or life-giving.
Containing life; living.
Necessary to continued existence.
Necessary to the continuation of life; being the seat of life; being that on which life depends.
Capable of living; in a state to live; viable.
Relating to the recording of life events.
Relating to, or characteristic of life.