The physics teacher likened the effect of mass on space to an indentation in a sheet of rubber.
If you liken one thing or person to another thing or person, you say that they are similar. The pain is often likened to being drilled through the side of the head. = compare. liken to / to say that someone or something is similar to another person or thing = compare
consider or describe as similar, equal, or analogous; "We can compare the Han dynasty to the Romans"; "You cannot equate success in financial matters with greed"
To allege, or think, to be like; to represent as like; to compare; as, to liken life to a pilgrimage