Cogent
(Adjective) Logical, convincing, or believable
Impalpable
(Adjective) Unable to be touched physically; difficult to hold onto mentally
Gregarious
(Adjective) Seeking and enjoying the company of others; sociable
Officious
(Adjective) Aggressive in offering one's help without asking; middlesome
Leviathan
(Noun) Enormous sea monster, or anything huge/powerful
Myriad
(NADJECTIVE) Countless or extremely great in number
Derisive
(Adjective) Expressing contempt or ridicule; mocking
Tenacious
(Adjective) Not easily letting go or giving up
Talisman
(Noun) An object thought to have magic powers or bring good luck