Synonyms for Input:

n.

AGP, bus, accelerator card, back end, auxiliary device, bridgeware, accelerated graphics port, ADC, figures, base hardware, A drive, data, facts, information. arc, active, brownout, alternating current, charge, arc light, ac. access profile, bitstream, batch file, ASCII file, checksum, bitmap, archive, configuration file, backup, cookie. hover, click, double-click, drag, drag-and-drop, key, backspace. central nervous system, cerebral cortex, cerebral, cerebellum, brainstem, brain death, brain, brain damage, brain cell, brainwave. advice (noun)
pointer, hint, recommendation, information, tip, reassurance, charge.
communication (noun)
input signal.
data (noun)
facts, figures.
entrance (noun)
entryway, door, intake, entrance, opening, ingress, aperture.
input (noun)
stimulus, stimulant, input signal, stimulation.

v.

enter (verb)
enter, access.

Other synonyms:

drag-and-drop, hover, data, double-click. backspace. click. key. drag. guidance
advice.
Other relevant words:
recommendation, backspace, stimulus, advice, facts, drag-and-drop, stimulation, reassurance, information, double-click, stimulant, data, input signal, hover.