Ebullient
Cheerful and full of energy.
Disquietude
A state of uneasiness or anxiety.
Halcyon
Denoting a period of time in the past that was idyllically happy and peaceful.
Sagacious
Having or showing keen mental discernment and good judgment; wise.
Recondite
Little known or abstruse; dealing with profound or difficult subjects.
Perspicacious
Having a ready insight into and understanding of things.
Incipient
In an initial stage; beginning to happen or develop.
Phlegmatic
Having an unemotional and calm disposition.
Dilatory
Slow to act; intended to cause delay.
Ignominious
Deserving or causing public disgrace or shame.