idealizar / to idealize

identificar / to identify

ignorar / to ignore

igualar / to level, to equal

ilegalizar / to make illegal

iluminar / to illuminate

ilusionar / to raise one's hope, to fascinate

ilustrar / to illustrate

imaginar / to imagine

imantar / to magnetize

imitar / to imitate

impacientar / to make impatient

impactar / to impact

impartir / to impart

impedir / to impede, to prevent, to hinder

imperar / to reign, to rule

implicar / to implicate

implorar / to implore

imponer / to impose

impresionar / to impress

imprimir / to print

incendiar / to set on fire

incitar / to incite

inclinar / to incline, to tilt

incluir / to include, to enclose

incrementar / to increase

indexar / to index

indicar / to indicate, to point out

indignar / to make angry

indisponer / to make ill

individualizar / to individualize

inducir / induce, to influence, to persuade

indultar / to pardon

infamar / to defame

infectar / to infect

infraccionar / to fine, to offend, to commit an offense

infravalorar / to undervalue

incendiar / to set on fire

incitar / to incite

inclinar / to incline, to tilt

incluir / to include, to enclose

indicar / to indicate, to point out

inducir / to induce, to influence, to persuade

inferir / to infer

infestar / to infest

infiltrar / to infiltrate

inflar / to inflate

influenciar / to influence

influir / to influence

informar / to inform

infundir / to inspire

ingeniar / to devise, to think up

ingerir / to ingest

ingresar / to join

inhalar / inhale

inhabilitar / to disqualify, to disable, to incapacitate

inhibir / to inhibit

iniciar / to initiate

injertar / to graft

inmovilizar / to immobilize

inocular / to inoculate

inscribir / to inscribe, to register, to record

insertar / to insert

insistir / to insist, to persist

insinuar / to insinuate

inspirar / to inspire

instituir / to institute, to found

instruir / to instruct, to teach

integrar / to integrate

interesar / to interest

interponer / to interpose

interpretar / to interpret

interrogar / to interrogate

introducir / to introduce

inventar / to invent

investigar / to investigate

invertir / to invert, to invest

invitar / to invite

invocar / to invoke

involucrar / to involve

inyectar / to inject

ir / to go

ironizar / to ridiculize, to treat ironically

irradiar / to irradiate, to radiate

irritar / to irritate

irrigar / to irrigate

italianizar / to italianize