PSYCHOLOGICAL
psychological
(adjective) mental or emotional as opposed to physical in nature; “give psychological support”; “psychological warfare”
psychological
(adjective) of or relating to or determined by psychology; “psychological theories”
Source: WordNet® 3.1
Etymology
Adjective
psychological (not comparable)
Of or pertaining to psychology.
Without an objective, or reasonably logical foundation.
Source: Wiktionary
Psy`cho*log"ic, Psy`cho*log"ic*al, a. Etym: [Cf. F. psychologique.]
Definition: Of or pertaining to psychology. See Note under Psychic.
– Psy`cho*log"ic*al*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition