illapse

CIDE DICTIONARY

illapse, v. i. [L. illapsus, p. p. of illabi; pref. il- in + labi to fall, slide.].

 To fall or glide; to pass; -- usually followed by into.  Cheyne.  [1913 Webster]

illapse, n. [L. illapsus. See Illapse, v. i.].

 A gliding in; an immisson or entrance of one thing into another; also, a sudden descent or attack.  Akenside.  [1913 Webster]
"They sit silent . . . waiting for an illapse of the spirit."  [1913 Webster]

ROGET THESAURUS

illapse

Conversion

VB be converted into, become, get, wax, come to, turn to, turn into, evolve into, develop into, turn out, lapse, shift, run into, fall into, pass into, slide into, glide into, grow into, ripen into, open into, resolve itself into, settle into, merge into, emerge as, melt, grow, come round to, mature, mellow, assume the form of, assume the shape of, assume the state of, assume the nature of, assume the character of, illapse, begin a new phase, assume a new phase, undergo a change, convert into, resolve into, make, render, mold, form, remodel, new model, refound, reform, reorganize, assimilate to, bring to, reduce to.

Ingress

N ingress, entrance, entry, introgression, influx, intrusion, inroad, incursion, invasion, irruption, ingression, penetration, interpenetration, illapse, import, infiltration, immigration, admission, insinuation, insertion, inlet, way in, mouth, door, barway, path, conduit, immigrant, incoming.