frati -fra- gismu

x1 reacts/responds/answers with action x2 to stimulus x3 under conditions x4; x1 is responsive.

x3 stimulates x1 into reaction x2, x3 stimulates reaction x2 (= terfra for place reordering); attempt to stimulate, prod (= terfratoi, tunterfratoi). See also preti, danfu, spuda, cpedu, tarti.


In notes:

cpedu
x1 requests/asks/petitions/solicits for x2 of/from x3 in manner/form x4.
danfu
x1 is the answer/response/solution/[reply] to question/problem x2.
preti
x1 (quoted text) is a question/query about subject x2 by questioner x3 to audience x4.
spuda
x1 answers/replies to/responds to person/object/event/situation/stimulus x2 with response x3.
tarti
x1 behaves/conducts oneself as/in-manner x2 (event/property) under conditions x3.
glefra
f1 reacts with orgasm f2 to stimulus f3 under conditions f4; f1 orgasms.
terfra
f3 incites reaction f2 from reactor f1 under condition f4.
tolfragapci
x1=t1=g1 is inert gas of material/composition including x2=g2, under conditions x3=g3.