Sobriety
Gravity, solemness
Innocuous
Harmless
Incarcerate
Lock, imprison
Ploddingly
In a slow manner
Regalia
Emblems of royalty
Placidity
Undisturbed feeling
Ubiquitous
Extensive, universal
Ostensible
Seeming, apparent
Covetable
Desirable
Impute
Assign, ascribe
Solicit
Implore, request
Arbitrary
Erratic, random
Conceded
Admitted, accepted
Harrowing
Acutely distressing
Indigenous
Native, local