jinvi -jiv-ji'i- gismu

x1 thinks/opines x2 [opinion] (du'u) is true about subject/issue x3 on grounds x4.

Words usable for epistemology typically have a du'u place. See also cmavo list pe'i, ciksi, jijnu, nabmi, pensi, senpi, sidbo, birti, pinka.

In notes:

birti
x1 is certain/sure/positive/convinced that x2 is true.
ciksi
x1 (person) explains x2 (event/state/property) to x3 with explanation x4 (du'u).
jijnu
x1 (person) intuits x2 (du'u) about subject x3; [epistemology].
nabmi
x1 (event/state) is a problem to/encountered by x2 in situation/task/inquiry x3.
pensi
x1 thinks/considers/cogitates/reasons/is pensive about/reflects upon subject/concept x2.
pinka
x1 (text) is a comment/remark/observation about subject x2 expressed by x3 to audience x4.
senpi
x1 doubts/is dubious/doubtful/skeptical/questions that x2 (du'u) is true.
sidbo
x1 (idea abstract) is an idea/concept/thought about x2 (object/abstract) by thinker x3.
ia
attitudinal: belief - skepticism - disbelief.
pe'i
evidential: I opine (subjective claim).
jijyji'i
jin1=jij1 has intuition-based opinion (suspicion) jin2=jij2 (du'u) on subject jin3=jij3
jivbi'o
b1=j1 comes to the conclusion that j2 [opinion] (du'u) is true about subject/issue j3 on grounds j4, under conditions b3.
nibji'i
j1 concludes that n1 (du'u) logically implies n2 under rules n3.
radji'i
x1 admits/accepts/acknowledges/allows/concedes/recognizes that x2 is true about x3 on grounds/under compelling evidence x4
rarji'i
x1=j1 thinks/knows by instinct/feels that x2=j2 [opinion] (du'u) is true about subject/issue x3=j3
selji'i
j2 (du'u) is the opinion of j1 that is true about subject/issue j3 on grounds j4.
seljinvi
j2 (du'u) is the opinion of j1 that is true about subject/issue j3 on grounds j4.
terdrata
d3 distinguishes between d2 and d1.
terkai
x3 considers x1 as x2 (ka).