senpi -sen- gismu

x1 doubts/is dubious/doubtful/skeptical/questions that x2 (du'u) is true.

Also: x2 is doubtful/dubious/questionable (= selsenpi for reordered places). See also jinvi, krici, djuno, birti.


In notes:

birti
x1 is certain/sure/positive/convinced that x2 is true.
djuno
x1 knows fact(s) x2 (du'u) about subject x3 by epistemology x4.
jinvi
x1 thinks/opines x2 [opinion] (du'u) is true about subject/issue x3 on grounds x4.
krici
x1 believes [regardless of evidence/proof] belief/creed x2 (du'u) is true/assumed about subject x3.
ceirsenpi
c1 is an agnostic.
senki'u
x1=k1 justifies x2=s1's doubt/skepticism toward x3=s2 (du'u).
flese
x1 is (a) philosophy/ideology (one sense) about/of/pertaining to topic/subfield (one sense) x2 with subfield (different sense)/features/details/specifics/specific idea(s) x3, with methodology x4, followed/thought/considered by x5 (thinker/philosopher/individual); philosophy x1 is characterized by values/thoughts/opinions/ruminations x3 about topic/subject x2.